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  • India’s First Hydrogen Fuel Cell Ferry: A Technological Marvel

    hydrogen

    In the news

    • Prime Minister has unveiled India’s maiden indigenous hydrogen fuel cell ferry, a groundbreaking achievement in the country’s maritime sector.

    About Harit Nauka Initiative

    • In January 2024, the Shipping Ministry unveiled the guidelines for inland vessels.
    • As per the guidelines, all states have to make efforts to use green fuels for 50 per cent of inland waterways-based passenger fleets in the next one decade, and 100 per cent by 2045.
    • This is to reduce greenhouse gas emissions as per the Maritime Amrit Kaal Vision 2047.

     

    Hydrogen Fuel Cell Ferry: Key Features

    • Design: The 24-meter-long catamaran ferry accommodates up to 50 passengers in its air-conditioned area, constructed with high-quality fiberglass reinforced plastic.
    • Manufacture: Manufactured by Cochin Shipyard Limited (CSL), the vessel will revolutionize water transportation and contribute to India’s green mobility initiatives.
    • Propulsion: Powered by a 50-kW Proton-Exchange Membrane (PEM) fuel cell and Lithium-Ion Phosphate batteries, the vessel operates with zero emissions and minimal noise, offering enhanced energy efficiency.
    • Energy Source: Hydrogen fuel, stored in five cylinders onboard, fuels the vessel’s propulsion system, supplemented by a 3-kW solar panel for additional energy generation.

    Operational Mechanism

    • Hydrogen Fuel Cells: The vessel utilizes hydrogen fuel cells to generate electricity by harnessing the chemical energy of hydrogen, emitting only pure water as a byproduct.
    • Continuous Operation: Unlike conventional batteries, hydrogen fuel cells do not require recharging, ensuring continuous operation with uninterrupted fuel and oxygen supply.

    Indigenous Development

    • Collaborative Effort: Cochin Shipyard Limited spearheaded the vessel’s construction, incorporating indigenous hydrogen fuel cell systems developed by KPIT Technologies and Council of Scientific and Industrial Research Labs.
    • Early Mover Advantage: India’s pioneering hydrogen fuel cell ferry underscores the nation’s commitment to green technology and positions it as a frontrunner in maritime sustainability.

  • Synthesis of Gold Nanoparticles from Roen Olmi Mushroom

    gold

    In the news

    • Researchers in Goa have successfully synthesized gold nanoparticles from a wild mushroom species known as Roen Olmi, which is widely consumed as a delicacy in the coastal state.

    About Roen Olmi Mushroom

    • Species: Roen Olmi belongs to the Termitomyces species and is found growing on termite hills.
    • Local Name: Locally known as “roen olmi” in Goa, it is a popular edible wild mushroom enjoyed by the locals, especially during the monsoon season.
    • Habitat: Endemic to the Western Ghats, Roen Olmi mushrooms thrive in the thick forest cover and high humidity prevalent in the region.
    • Ecological Significance: These mushrooms play a crucial role in forest and grassland ecosystems by converting 50% of dead plant material into nutrient-rich soil. They also possess antioxidant and antimicrobial properties.
    • Cultural and Medicinal Value: Roen Olmi mushrooms are valued not only for their nutritional attributes but also for their ethno-medicinal significance in indigenous communities across Asia and Africa.

    Implications and Future Directions

    • Economic Impact: The breakthrough has significant economic implications, especially in the biomedical and biotechnological sectors, where the demand for gold nanoparticles is expected to rise.
    • Environmental Sustainability: Unlike conventional methods that employ toxic chemical agents, the use of Roen Olmi mushrooms offers an eco-friendly approach to mass-producing gold nanoparticles.
    • Local Community Benefits: The researchers advocate for the conservation and sustainable use of this valuable resource, emphasizing the importance of sharing benefits with the local community in accordance with the Nagoya Protocol.

    Try this PYQ from CSP 2021

    In the nature, which of the following is/are most likely to be found surviving on a surface without soil?​

    1. Fern​
    2. Lichen​
    3. Moss​
    4. Mushroom​

    Select the correct answer using the code given below.​

    (a) 1 and 4 only​

    (b) 2 only​

    (c) 2 and 3 only​

    (d) 1, 3 and 4 only​

     

    [wpdiscuz-feedback id=”rtx1arxcff” question=”Please leave a feedback on this” opened=”1″]Post your responses here.[/wpdiscuz-feedback]

  • Context Windows in AI Conversations

    In the news

    • In conversations with AI chatbots like ChatGPT, the text the AI can “see” or “read” at any given moment is determined by its context window.
    • The context window, measured in tokens, defines the amount of conversation the AI can process and respond to during a chat session.

    What are Context Windows?

    • Tokens: Basic units of data processed by AI models, tokens represent words, parts of words, or characters.
    • Tokenisation: The process of converting text into vectors (format suitable) for input into machine learning models.
    • Example: For English text, one token is roughly equivalent to four characters. Thus, a context window of 32,000 tokens translates to around 128,000 characters.

    Importance of Context Windows

    • Recall and Understanding: Context windows enable AI models to recall information from earlier in the conversation and understand contextual nuances.
    • Generating Responses: They help AI models generate responses that are contextually relevant and human-like in nature.

    Functioning of Context Windows

    • Sliding Window Approach: Context windows work by sliding a window over the input text, focusing on one word at a time.
    • Scope of Information: The size of the context window determines the scope of contextual information assimilated by the AI system.

    Context Window Sizes

    • Advancements: Recent AI models like GPT-4 Turbo and Google’s Gemini 1.5 Pro boast context window sizes of up to 128K tokens and 1 million tokens, respectively.
    • Benefits: Larger context windows allow models to reference more information, maintain coherence in longer passages, and generate contextually rich responses.

    Challenges and Considerations

    • Computational Power: Larger context windows require significant computational power during training and inference, leading to higher hardware costs and energy consumption.
    • Repetition and Contradiction: AI models with large context windows may encounter issues such as repeating or contradicting themselves.
    • Accessibility: The high resource requirements of large context windows may limit access to advanced AI capabilities to large corporations with substantial infrastructure investments.

    Conclusion

    • Context windows play a vital role in enabling AI chatbots to engage in meaningful conversations by recalling context and generating relevant responses.
    • While larger context windows offer benefits in terms of performance and response quality, they also pose challenges related to computational resources and environmental sustainability.
    • Balancing these factors is essential for the responsible development and deployment of AI technologies.

  • Melanochlamys Droupadi: New Sea Slug specie named after President Murmu

     

    President Draupadi Murmu

    In the news

    • The Zoological Survey of India (ZSI) announced the discovery of a new marine species, Melanochlamys droupadi, named after the esteemed President of India, Droupadi Murmu.

    About Melanochlamys Droupadi

    • Geographical Origin: Melanochlamys droupadi was first sighted off the shores of Digha in West Bengal and Udaipur in Odisha, marking its exclusive habitat.
    • Distinctive Features: Characterized by its short, blunt cylindrical body and smooth dorsal surface adorned with two unequal shields, this species showcases unique anatomical traits.
    • Morphological Identification: The species was meticulously examined for morphological, anatomical, and molecular characteristics, confirming its taxonomic classification within the Melanochlamys genus.
    • Physical Attributes: It is a small invertebrate reaching up to 7 mm in length, exhibits a brownish-black hue with a striking ruby red spot.
    • Biological nature: It is hermaphroditic (possessing both male and female reproductive organs, structures, and tissue) and predominantly inhabits intertidal zones along sandy beaches.

    Habitat and Reproduction

    • Ecological Niche: The species is typically found in the intertidal zone, leaving distinctive crawl marks along sandy beaches.
    • Reproductive Cycle: Reproduction occurs primarily between November and January, marking a critical phase in the species’ life cycle.

    Distribution and Taxonomy

    • Indo-Pacific Realm: While species of the Melanochlamys genus are predominantly found in temperate regions of the Indo-Pacific Ocean, Melanochlamys droupadi stands out as a truly tropical species.
    • Research Insights: A study conducted by ZSI researchers sheds light on the species’ behavior, highlighting its unique ability to secrete transparent mucus, forming a protective sheath against sand grains.

  • [pib] Establishment of International Big Cat Alliance (IBCA)

    In the news

    • The Union Cabinet, chaired by Prime Minister, has approved the establishment of the International Big Cat Alliance (IBCA) with headquarters in India.

    About the International Big Cat Alliance (IBCA)

    • Objective: The IBCA aims to spearhead efforts towards the protection and conservation of the 7 major big cats: tiger, lion, leopard, snow leopard, puma, jaguar, and cheetah.
    • Funding: The Government of India has pledged an initial support of Rs. 150 crore for the first five years. Additionally, the alliance will explore contributions from bilateral and multilateral agencies, financial institutions, and donor agencies to augment its corpus.
    • Membership: Membership to the alliance will be open to 96 “range” countries, which are nations containing the natural habitat of the seven big cats.
    • Activities: The alliance’s activities will include advocacy, partnership building, knowledge dissemination through an e-portal, capacity building, eco-tourism promotion, and financial resource mobilization.

    Governance Structure

    • Composition: The governance structure of IBCA includes a General Assembly comprising all member countries, a Council of elected member countries, and a Secretariat.
    • Appointment: The General Assembly appoints the Secretary General of IBCA upon the recommendation of the Council.
    • Framework: The alliance’s governance framework, drafted on the lines of the International Solar Alliance (ISA), will be finalised by the International Steering Committee (ISC).

    India’s Role in Big Cat Conservation

    • Big Cat Diversity: India is home to five of the seven major big cats: tiger, lion, leopard, snow leopard, and cheetah.
    • Conservation Efforts: India has undertaken significant conservation efforts, as reflected in the increase in tiger and lion populations. For instance, India now hosts about 70% of the world’s tiger population, and the Asiatic lion population in Gir National Park has shown steady growth.
    • Cheetah Reintroduction: Cheetahs, once extinct in India since 1952, have been reintroduced into the wild. Eight cheetahs were imported from Namibia and released into the Kuno National Park in Madhya Pradesh in November 2022.

  • Cannabis Use: Implications for Psychiatry

    cannabis

    In the news

    • Cannabis (Cannabis sativa) has long intrigued psychiatrists due to its impact on mood and cognition, prompting research into its potential therapeutic applications for conditions like schizophrenia and mood disorders.

    Do you know?

     

    • The Narcotic Drugs and Psychotropic Substances Act, 1985 regulates cannabis by defining it under Section 2(iii) of the act.
    • Cannabis, also known as hemp, includes various forms such as charas (resin), ganja (flowering or fruiting tops), and any mixture or drink prepared from these forms.
    • However, interestingly, bhang, a preparation of cannabis, is NOT covered under this act and remains beyond its purview.
    • Bhang is permitted for production and sale by many States as it falls outside the definition of cannabis under the NDPS Act.

    What is Cannabis?

    • Cannabis, also known as marijuana, weed, pot, or ganja, is a genus of flowering plants that belongs to the Cannabaceae family.
    • It is primarily known for its psychoactive properties due to the presence of compounds such as tetrahydrocannabinol (THC).
    • This THC interacts with the brain’s cannabinoid receptors, resulting in various effects including relaxation, euphoria, altered perception of time, and increased appetite.
    • The plant contains over 100 different cannabinoids, with THC and cannabidiol (CBD) being the most well-known and studied.

    Why discuss this?

    • Researchers at the University of British Columbia initiated a clinical trial to explore the efficacy of cannabidiol (CBD) in treating bipolar depression, offering promise for addressing depressive episodes in bipolar disorder.
    • While delta-9-tetrahydrocannabinol (THC) is the primary psychoactive compound in cannabis, CBD has garnered attention for its potential antipsychotic and neuroprotective effects.

    Understanding the Cannabinoid System

    • Receptor Mechanisms: The human cannabinoid system, comprising CB1 and CB2 receptors, plays a crucial role in modulating various bodily functions, including pain, memory, and appetite, with THC exerting acute effects on motor control and memory.
    • Endo-cannabinoid System (ECS): The ECS, governed by endogenous molecules, regulates neurotransmitter activity, influencing mood and cognitive processes.

    Therapeutic Applications  

    • Medical Uses: THC and synthetic cannabinoids are utilized to stimulate appetite, alleviate nausea, and manage pain associated with conditions like HIV-AIDS and cancer.
    • Addiction and Withdrawal: Debate surrounds the addictive potential of THC, with animal studies suggesting addictive responses and withdrawal symptoms upon cessation of heavy use.

    Psychiatric Implications

    • Mood Effects: Cannabis’ impact on mood is multifaceted, with reports suggesting associations with depression and bipolar disorder, although rigorous scientific scrutiny is lacking.
    • Psychotic Risks: Individuals with psychotic illnesses, including schizophrenia, exhibit heightened susceptibility to cannabis-induced psychotic symptoms, with youth cannabis use potentially advancing the onset of schizophrenia in genetically vulnerable individuals.

    Policy Considerations

    • Global Trends: The global trend toward legalizing medical and recreational cannabis underscores the need for informed policymaking to mitigate risks, particularly for vulnerable populations such as children and individuals with mental illnesses.
    • Decriminalization Debate: Broader debates on decriminalization necessitate measures to prevent commercialization and ensure safeguards against misuse, emphasizing protection for vulnerable segments of society.

    Conclusion

    • Navigating the complexities of cannabis necessitates a balanced approach, leveraging its therapeutic potential while addressing associated risks through evidence-based policymaking and clinical interventions.

    Back2Basics: Narcotic Drugs and Psychotropic Substances Act, 1985

    • The NDPS Act is a comprehensive law that consolidates and amends the existing laws relating to narcotic drugs and psychotropic substances in India.
    • The Act prohibits the manufacture, cultivation, possession, sale, purchase, transport, storage, or consumption of drugs without permission from appropriate authorities.
    • Violations are punishable with rigorous imprisonment for a minimum of 10 years and a fine.
    • Lesser punishments are mandated for illegal possession in small quantities for personal consumption.
    • The Act also provides for the forfeiture of property derived from, or used in, illicit traffic in narcotic drugs and psychotropic substances.
    • Drugs covered include:
    1. Narcotic Drugs: Coca leaf, cannabis (hemp), opium, poppy straw, and their manufactured goods.
    2. Psychotropic Substances: Any substance that modifies the mind, including amphetamine, methaqualone, diazepam, alprazolam, ketamine, etc.
    3. Other substances: Cocaine, morphine, diacetylmorphine, or any other narcotic drug or any psychotropic substance as may be specified on this behalf by the Central Government.

  • Pancheshwar Multipurpose Project (PMP)

    Pancheshwar Multipurpose Project (PMP)

    In the news

    • Despite the recent agreement between India and Nepal, discussions over the Pancheshwar Multipurpose Project (PMP) remain deadlocked.

    About Pancheshwar Multipurpose Project (PMP)

    • It is a bi-national project between India and Nepal, aimed primarily at energy production and enhancing irrigation in both countries.
    • It involves the construction of a 315-meter high dam across the River Mahakali (Sarada in India).
    • It forms an 80 km long reservoir with a surface area of 116 km square and a total gross storage volume of about 11.35 billion cubic meters.
    • Once completed, the PMP is expected to have a capacity of 5,040 megawatts (MW) and will be among the tallest dams globally, with an estimated cost ranging from Rs. 401.84 billion to Rs. 500 billion.
    • The project’s objectives include energy production and irrigation enhancement, but environmentalists have raised concerns about its potential impact on the region’s ecology and local communities.
    • This project underscores the progress of the Mahakali Treaty signed in February 1996 between India and Nepal includes provisions for the integrated development of the Mahakali River basin.

    Obstacles to Progress

    • Benefit Sharing: Disagreements arise over the distribution of benefits, with India receiving a larger share of irrigation benefits while Nepal emphasizes the value of water as a precious resource.
    • Political and Bureaucratic Challenges: Political considerations, including impending elections in India and domestic political fragility in Nepal, hinder progress. Bureaucratic concerns further impede consensus-building.

    Back2Basics: Mahakali Treaty

    Details
    Mahakali River Also known as Sharda River or Kali Ganga in Uttarakhand.

    Joins Ghagra River in Uttar Pradesh, a tributary of the Ganga.
    Signatories and Date Signed between Nepal and India on February 12, 1996.
    Objective Aimed at the integrated development of the Mahakali River, including projects like the Sarada Barrage, Tanakpur Barrage, and Pancheshwar Project.
    Ratification Process Required a two-thirds majority in the combined session of both houses of the Nepalese parliament.

    Faced opposition and scrutiny from parliamentarians during the process.
    Establishment of Commission Provision for the establishment of a Mahakali River Commission to oversee and regulate matters outlined in the treaty.

  • Why sustainable funding matters for India’s ‘Science Power’ ambition?

    In the news

    • National Science Day is commemorated on Feb 28 every year to commemorate the birth anniversary of Sir CV Raman.

    About National Science Day 2024

    • Theme: “Science for Sustainable Development” underscores India’s commitment to leveraging science and technology for long-term socio-economic progress.
    • Key Driver: Science and technology play pivotal roles in India’s journey toward achieving developed nation status by 2047, aligning with global sustainability goals.

    The Current Scenario: R&D Spending in India

    • Low Expenditure: India’s expenditure on research and development (R&D) stands at a mere 0.64% of GDP, a concerning figure for a nation aspiring for technological advancement.
    • Stagnant Growth: Despite calls to double R&D spending, India’s allocation for fundamental research has seen a decline in recent years, highlighting the need for enhanced investment in scientific endeavours.

    science

    Comparative Analysis with Developed Nations

    • Global Benchmarks: Developed nations typically allocate 2-4% of their GDPs to R&D, showcasing a stark contrast to India’s minimal spending. Moreover, even Nations like South Korea have shown significant growth in R&D expenditures, averaging 10.9% annually over 2000–10 and 7.8% for 2010–19.
    • Private Sector Contribution: In economically advanced countries, the private sector contributes significantly to R&D investment, unlike India, where public funding dominates. In leading economies, the corporate sector accounts for about two-thirds of gross domestic expenditure on R&D (GERD), while in India, its share is only 37%. This disparity highlights the need for increased private sector investment in R&D in India.

    What is the significance of Sustainable Funding for India’s ‘Science Power’ Ambition?

    • Low Corporate Sector Investment: The primary reason for India’s low R&D expenditure is the inadequate investment by the corporate sector. While leading economies see two-thirds of R&D funding coming from corporations, in India, this share is only 37%. Increasing corporate investment in R&D is essential to boost innovation and technological progress.
    • Underestimation of GERD Data: There is evidence suggesting that India’s Gross Expenditure on R&D (GERD) data may be underestimated. The current method of data collection relies on surveys and secondary sources like annual reports and databases like Prowess. However, this method may not capture all R&D-performing enterprises, leading to incomplete statistics
    • Foreign Investment Discrepancy: Foreign multinational corporations (MNCs) play a significant role in R&D spending in India. However, the latest statistics indicate that foreign MNCs’ R&D spending in India is only about 10% of what U.S. firms report spending in the country. Encouraging higher foreign investment in R&D can contribute to India’s scientific growth.
    • Challenges in Data Collection: Collecting accurate data from the private corporate sector poses a challenge due to factors like firms’ reluctance to disclose information and the limitations of existing databases like DSIR and Prowess. Enhancing data collection methods is crucial to obtaining a comprehensive picture of R&D activities in the country.

    Challenges Faced by India in Achieving ‘Science Power’ Ambition:

    • Limited Research Workforce: India faces a shortage of high-quality universities and appropriate job opportunities for graduates, which impedes the expansion of its research workforce. To enhance scientific capabilities, there is a critical need to establish more top-tier educational institutions and create avenues for skilled professionals in the field.
    • Bureaucratic Hurdles: The bureaucratic red tape in India poses a significant challenge to research and innovation. Delays in fund disbursement, lengthy recruitment processes, and administrative inefficiencies hamper the pace of scientific advancements. Streamlining administrative procedures and enhancing efficiency are essential to foster a conducive environment for research.
    • Lack of International Collaboration: India has relatively low levels of international collaboration compared to other developing nations, limiting its exposure to global scientific advancements and partnerships. Strengthening ties with international counterparts can facilitate knowledge exchange, technology transfer, and collaborative research initiatives.
    • Inadequate Funding: India’s R&D expenditure as a percentage of GDP is significantly lower than other emerging nations like China and Brazil, as well as established economies like the United States and Europe. Insufficient funding limits the capacity for research and innovation, hindering India’s progress in the scientific domain.
    • Infrastructure and Technological Challenges: The development of cutting-edge technologies such as artificial intelligence and semiconductor manufacturing requires robust infrastructure and technological capabilities. India’s limited investment in science and technology, coupled with bureaucratic hurdles and outdated procurement systems, hinders the adoption of global best practices and impedes research progress.

    Way forward

    • Sustainable funding: India is committed in making progress towards becoming a developed country by 2047 through sustainable means, including R&D funding.
    • Streamline bureaucracy: India needs to streamline its bureaucratic processes to enhance efficiency and reduce delays in funding and project approvals.
    • Increase R&D spending: India aims to increase its Gross Expenditure on R&D (GERD) to 2% of GDP, which is a national goal for some time.
    • Improve infrastructure and technology: India needs to improve its infrastructure and technological capabilities to drive innovation and research progress.
    • Increase in International collaboration: India aims to increase its international collaboration to facilitate knowledge exchange, technology transfer, and collaborative research initiatives.

    Conclusion

    • As India commemorates National Science Day under the theme of sustainable development, addressing the imperative of sustainable funding for science emerges as a critical priority.
    • By fostering a conducive ecosystem for R&D investment and optimizing budget utilization, India can pave the way for transformative scientific advancements and sustainable socio-economic progress.

    Back2Basics: CV Raman and Raman’s Effect

    Details
    Birth Chandrasekhar Venkata Raman born in Tiruchirappalli, Madras Presidency on 7 November 1888.
    Appointment in IISc Appointed as Director of Indian Institute of Science (IISc) in Bangalore in 1933, served until retirement in 1948.
    Initial Research Published first research paper, “Unsymmetrical diffraction bands due to a rectangular aperture”, in 1906 while still a graduate student.
    Raman Effect Discovered phenomenon where light changes wavelength and frequency upon traversing transparent material, known as Raman Effect.
    Acoustics Worked on theory of transverse vibration of bowed string instruments, studied acoustics of various musical instruments including Indian ones.
    Colour of Sea Water Conducted observations on sea water using spectroscope,

    Concluded blue color not due to Rayleigh scattering, studied water color attribution.
    Spectroscopic Behaviour Investigated behavior of crystals spectroscopically, studied composition and characteristics of diamonds and colorful materials.
    Angular Momentum Discovered light photons have angular momentum, shifted to atoms that absorb them.
    Scientific Institutions Established Raman Research Institute in Bengaluru in 1949, became its first director.
    Awards and Recognition Awarded Nobel Prize in Physics in 1930 for work on scattering of light and discovery of Raman Effect, first Indian and Asian to win Nobel in sciences.

    Elected member of Royal Society of London in 1924.

    Honored with India’s highest civilian award, Bharat Ratna, in 1954.

    Received Lenin Peace Prize, Franklin Medal, and Hughes Medal in 1930.

  • In news: Similipal Tiger Reserve (STR)

    In news: Similipal Tiger Reserve (STR)

    In the news

    • The Odisha government’s estimation of the tiger population in its forests has been reported to be 30 Royal Bengal Tigers, while the All India Tiger Estimation-2022 report has found only 20 tigers present.

    About All Odisha Tiger Estimation:

    • The State tiger census was conducted by the State Forest Department.
      • According to the census, the State has 30 Tigers out of which Similipal Tiger Reserve recorded 27 tigers in the wild.
      • The remaining three belong to Hirakud wildlife division (Debrigarh wildlife sanctuary), Paralakhemundi territorial division and Keonjhar territorial and wildlife division.
    • Methodology: The census was conducted using camera-trapping exercises.

    About Similipal Tiger Reserve (STR)

    • Concerned over the sizeable number of pseudo-melanistic tigers in its Similipal Tiger Reserve (STR), largely due to inbreeding, the Odisha government has written to the National Tiger Conservation Authority (NTCA) to consider introducing female tigers from other landscapes to the reserve.
    Details
    Location and Size Located in Odisha’s Mayurbhanj District, spanning 2750 sq km.

    Surrounded by high plateaus and hills;

    Khairiburu and Meghashini peaks reach 1515 m.
    History Initially a hunting ground, designated as a tiger reserve under Project Tiger in 1973,

    Later declared a wildlife sanctuary and biosphere reserve.
    Flora and Fauna Rich biodiversity includes tigers, leopards, elephants, gaur, diverse bird species, King cobras, orchids, and medicinal plants.
    Tribes Inhabited by tribes like Kolha, with traditional conservation practices.
    UNESCO Recognition UNESCO listed it as a Biosphere Reserve in May 2009 due to its ecological significance.
    Recent Events A significant fire in 2021 posed a threat to the reserve’s biodiversity, highlighting ongoing conservation challenges.
    Global Recognition Recognized as a Global Network of Biospheres site since 2009.

    Melanism in Similipal Tiger Reserve (STR)

    • Genetic Anomaly: Melanism, a genetic condition, results in increased melanin production, leading to black or nearly black skin, feathers, or hair in animals.
    • Pseudo-Melanism: The royal Bengal tigers of Similipal boast a unique lineage with elevated melanin levels, resulting in black and yellow interspersed stripes on their coats, making them pseudo-melanistic rather than entirely black.
    • Genetic Mutation: Research indicates that a single mutation in the Transmembrane Aminopeptidase Q (Taqpep) gene causes Similipal’s black tigers to develop distinctive striped patterns.
    • Inbreeding and Isolation: Genetic analyses suggest that Similipal’s black tigers may have originated from a small founding population, leading to inbreeding due to isolation from other tiger populations.

    What are the Population Dynamics and Conservation Efforts made by Odisha Govt?

    • High Frequency: Approximately 37% of tigers in Similipal Tiger Reserve exhibit pseudo-melanistic traits, highlighting the prevalence of this unique phenotype.
    • Conservation Measures: Odisha plans to establish a melanistic tiger safari near Similipal, aiming to raise awareness about tiger conservation and provide visitors with an opportunity to observe these rare big cats up close.

    Try this PYQ from CSP 2020:

    Q. Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

    (a) Corbett

    (b) Ranthambore

    (c) Nagarjunsagar-Srisailam

    (d) Sunderbans

     

    [wpdiscuz-feedback id=”6rt05p6t3w” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

  • 4 IAF Gaganyaan Astronaut-designates named

    Gaganyaan

    In the news

    • Prime Minister announced the astronaut designates for India’s inaugural crewed spaceflight, Gaganyaan, slated for a 2025 launch.

    About Gaganyaan Mission

    • The Gaganyaan Mission is India’s initiative to demonstrate human spaceflight capabilities by sending a crew of 4 members into a 400 km Low Earth Orbit.
    • It aims to demonstrate India’s indigenous capability in undertaking human space flights, with an immediate goal of executing a manned mission.
    • GSLV Mk III, also known as LVM-3, will be used as a launch vehicle in Gaganyaan mission.

    Gaganyaan

    Technological Requirements

    • Human-Rated LVM3: A modified version of ISRO’s LVM3 serves as the launch vehicle, equipped with Crew Escape System (CES) and an Orbital Module to ensure crew safety.
    • Orbital Module (OM):
      1. Crew Module (CM): Provides a habitable space for crew members, featuring a double-walled rigid construction and essential life support systems.
      2. Service Module (SM): Supports the Crew Module in orbit, housing propulsion, thermal, and power systems.
    • Crew Escape System (CES): Facilitates emergency escape mechanisms for astronauts during critical phases of the mission, ensuring their safety.
    • Life Support System: Ensures a conducive environment for crew members in space, addressing physiological needs and emergency provisions.

    Phases of Gaganyaan Mission

    • Testing Phase: Included Integrated Air Drop Test (IADT) and Pad Abort Test (PAT), crucial for validating safety mechanisms and system performance.
    • Unmanned Missions: Technology demonstration and safety verification precede the manned mission, involving advanced tests and flight trials. Vyommitra AI humanoid underwent tests for this mission.
    • Manned Mission: Culminates in executing the human spaceflight module of Gaganyaan, following successful unmanned missions.

    Significance of the Mission

    • Technological Advancement: Propels India towards future technological capabilities, fostering affordable space programs and scientific exploration.
    • Youth Inspiration: Inspires youth towards careers in science and technology, igniting innovation and creativity in space science.
    • Diplomatic Collaboration: Opens avenues for international cooperation in space exploration, enhancing diplomatic ties and knowledge exchange.
    • Scientific Breakthrough: Enables groundbreaking discoveries in medicine, material science, and biology through microgravity experiments.
    • Economic Growth: Stimulates economic development, technology spin-offs, and job creation, contributing to India’s overall progress.

    Challenges Associated

    • Indigenous Technology: Reliance on indigenous technology necessitates complex research and development efforts, ensuring program safety.
    • Space Transportation Vehicle: Development of customized launch vehicles poses challenges due to payload constraints and weight limitations.
    • Training and Simulation: Lack of critical space training facilities necessitates dependence on other space agencies, augmenting challenges.
    • Regenerative Environment: Creation of self-sustaining life support systems in space remains a daunting task, requiring innovative solutions.
    • Crew Safety: Mitigating risks associated with crew safety, including psychological and physiological effects of space travel, is imperative.

    Conclusion

    • The Gaganyaan Mission epitomizes India’s leap towards space exploration, encapsulating aspirations of scientific discovery, technological innovation, and international collaboration.
    • Amidst challenges and complexities, India stands poised to script a new chapter in its space odyssey, inspiring generations and propelling towards the frontiers of the cosmos.