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  • Yellowstone NP celebrates its 151st anniversary

    yellow

    Yellowstone National Park, which celebrated its 151st anniversary earlier this week, is widely considered to be the first national park in the world.

    Yellowstone National Park

    • It is a large protected area located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho.
    • It was established in 1872 and is widely considered to be the first national park in the world.
    • It spans an area of over 9,000 sq. km comprising lakes, canyons, rivers, iconic geothermal features such as the Old Faithful geyser, and mountain ranges.

    Some key features and attractions of Yellowstone National Park include:

    1. Geothermal features: Yellowstone is famous for its geothermal features, including geysers, hot springs, mud pots, and steam vents. The most famous of these is Old Faithful, a geyser that erupts on a regular schedule.
    2. Wildlife: Yellowstone is home to a diverse array of wildlife, including grizzly bears, wolves, bison, elk, and moose. Visitors can see these animals in their natural habitats throughout the park.
    3. Scenic drives: The park has several scenic drives, including the Grand Loop Road, which takes visitors to many of the park’s major attractions.
    4. Fishing: The park has many rivers and lakes that offer excellent fishing opportunities, including the Yellowstone River.

     

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  • What is the Expected Credit Loss (ECL) regime?

    The Reserve Bank of India is moving closer towards ring-fencing the banking system from credit losses as it proposes to move to provision on the principles of ‘expected losses’ from ‘incurred losses. ‘

    What is a Loan-Loss Provision?

    • The RBI defines a loan loss provision as an expense that banks set aside for defaulted loans.
    • Banks set aside a portion of the expected loan repayments from all loans in their portfolio to cover the losses either completely or partially.
    • In the event of a loss, instead of taking a loss in its cash flows, the bank can use its loan loss reserves to cover the loss.
    • The level of loan loss provision is determined based on the level expected to protect the safety and soundness of the bank.

    What is Expected Credit Loss (ECL) regime?

    • The Expected Credit Loss (ECL) regime is a new accounting standard that was introduced by the International Financial Reporting Standards (IFRS) in response to the global financial crisis of 2008.
    • The ECL regime requires banks and other financial institutions to estimate and report the expected losses from their loan portfolios over the lifetime of the loans.
    • Under the ECL regime, financial institutions must assess the credit risk associated with each loan and estimate the expected losses that will result from default or other credit events.
    • These expected losses must be recognized in the financial institution’s accounts and reported to investors and other stakeholders.
    • Under this practice, a bank is required to estimate expected credit losses based on forward-looking estimations rather than wait for credit losses to be actually incurred before making corresponding loss provisions.

    Benefits of the ECL regime

    • ECL will result in excess provisions as compared to a shortfall in provisions, as seen in the incurred loss approach.
    • It will further enhance the resilience of the banking system in line with globally accepted norms.

    Issues with this regime

    • It requires banks to provide for losses that have already occurred or been incurred.
    • The delay in recognizing loan losses resulted in banks having to make higher levels of provisions which affected the bank’s capital.
    • This affected banks’ resilience and posed systemic risks.
    • The delays in recognizing loan losses overstated the income generated by the banks, which, coupled with dividend payouts, impacted their capital base.

     

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  • In news: Anmol Jeevan Abhiyan

    A recent initiative called the ‘Anmol Jeevan Abhiyan’ (Precious Life Campaign) in Barmer, Rajasthan has motivated village panchayats and homeowners to add hand pumps and locked covers to tankas for improved structure.

    What are Tankas?

    anmol

    • The tankas with a huge water storage capacity are traditionally built adjacent to the residential units in western Rajasthan.
    • It is used for collecting rainwater and using it throughout the year for drinking and other household needs.
    • They were constructed in households under the Mahatma Gandhi National Rural Employment Guarantee Scheme (MGNREGS).

     

    Anmol Jeevan Abhiyan

    • The ‘Anmol Jeevan Abhiyan’ (Precious Life Campaign) has encouraged village panchayats and owners of houses to make the structural addition of hand pumps and locked covers on tankas.
    • The light-weight hand pumps made of fibre serve the dual purpose of preventing the accidents and suicides as well as drawing of water from the tank.
    • The campaign has been started jointly by the district administration, United Nations Children’s Fund (UNICEF) and Action Aid.
    • Among the 171 suicide cases reported last year, as many as 64 were those of women and a majority was those who had jumped into the water tanks.

    Benefits offered

    • Though the campaign has made an impact during the last three to four months, it cannot be measured in quantitative terms at present because of its continuity, even as the reports of suicides have gradually reduced.
    • The permanent closure of tankas with the metal cover having lock also ensured that no cattleheads or other animals fall into them tank.

     

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  • Proton Beam Therapy out of reach for many

    proton

    There is currently a demand-supply gap of proton beam therapy machines in India, leaving many cancer patients in a difficult situation.

    What is Proton Beam Therapy?

    • Proton beam therapy is a type of radiation therapy — a treatment that uses high-energy beams to treat tumors.
    • Radiation therapy using X-rays has long been used to treat cancers and noncancerous (benign) tumors.
    • It uses protons rather than x-rays to treat cancer. At high energy, protons can destroy cancer cells.
    • It can also be combined with x-ray radiation therapy, surgery, chemotherapy, and/or immunotherapy.
    • Like x-ray radiation, proton therapy is a type of external-beam radiation therapy.

    How it works?

    proton

    • Fundamentally, all tissue cells are made up of molecules with atoms as their building blocks.
    • In the center of every atom is the nucleus. Orbiting the nucleus of the atom are negatively charged electrons.
    • When energized protons pass near orbiting electrons, the positive charge of the protons attracts the negatively charged electrons, pulling them out of their orbits. This is called ionization.
    • It changes the characteristics of the atom and consequentially the character of the molecule within which the atom resides.
    • Because of ionization, the radiation damages molecules within the cells, especially the DNA.
    • Damaging the DNA destroys specific cell functions, particularly the ability to divide or proliferate.
    • While both normal and cancerous cells go through this repair process, a cancer cell’s ability to repair molecular injury is frequently inferior.
    • As a result, cancer cells sustain more permanent damage and subsequent cell death than occurs in the normal cell population.

    Why in news?

    • There is currently a significant demand-supply gap of proton beam therapy machines in India, with only a few machines available in the country.
    • This has resulted in long wait times for patients who need the treatment, and many patients are forced to travel abroad to access the treatment, which can be prohibitively expensive.

    Various challenges

    • Huge demand: The demand for PBT machines is also increasing, as more and more patients are being diagnosed with cancer and are seeking the latest and most effective treatments available.
    • High cost: One of the major challenges in setting up PBT machines is the high cost involved, as the machines are complex and require a significant investment.
    • Shortage of personnel: In addition, there is a shortage of trained personnel who can operate and maintain the machines, which further limits their availability.

    Way Forward

    • The government and private sector need to invest more in setting up and maintaining the machines. This could include-
    1. Offering tax incentives and subsidies to private healthcare providers who invest in PBT machines
    2. Providing training and education to personnel who can operate and maintain the machines
    3. Setting up more public hospitals that offer proton beam therapy, which would help to make the treatment more accessible and affordable to patients who need it

     

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  • ISRO successful in key test for Chandrayaan-3 Mission

    chandrayaan

    The Indian Space Research Organisation (ISRO) has successfully conducted a crucial test for its upcoming Chandrayaan-3 mission.

    What was the test?

    • The test involved the high-thrust cryogenic engine, which will be used to power the rocket that carries the Chandrayaan-3 spacecraft.
    • The engine was tested for its endurance and performance under various conditions.

    About Chandrayaan-3 Mission

    • The Chandrayaan-3 mission is the third lunar exploration mission by the Indian Space Research Organisation.
    • The mission follows the successful Chandrayaan-1 and Chandrayaan-2 missions, which were launched in 2008 and 2019 respectively.
    • The Chandrayaan-3 mission is designed to further explore the Moon’s South Pole region and conduct various scientific experiments, including studying the lunar surface, mineralogy, and the presence of water.

    Significance of the recent test

    • With the successful test of the high-thrust cryogenic engine, ISRO is now one step closer to launching the Chandrayaan-3 mission.
    • The mission is expected to be a significant step forward in India’s space exploration efforts and will further our understanding of the Moon and its potential for future exploration and exploitation.

    Chandrayaan-2: A quick recap

    • Chandrayaan-2 consisted of an Orbiter, Lander and Rover, all equipped with scientific instruments to study the moon.
    • The Orbiter would watch the moon from a 100-km orbit, while the Lander and Rover modules were to be separated to make a soft landing on the moon’s surface.
    • ISRO had named the Lander module as Vikram, after Vikram Sarabhai, the pioneer of India’s space programme, and the Rover module as Pragyaan, which crash-landed.

    Inception of Chandrayaan 3

    • The subsequent failure of the Vikram lander led to the pursuit of another mission to demonstrate the landing capabilities needed for the Lunar Polar Exploration Mission proposed in partnership with Japan for 2024.

    Its design

    • The lander for Chandrayaan-3 will have only four throttle-able engines.
    • Unlike Vikram on Chandrayaan-2 which had five 800N engines with a fifth one being centrally mounted with a fixed thrust.
    • Additionally, the Chandrayaan-3 lander will be equipped with a Laser Doppler Velocimeter (LDV).

    Back2Basics: Chandrayaan-1 Mission

    • The Chandrayaan-1 mission was launched in October 2008 was ISRO’s first exploratory mission to the moon, in fact to any heavenly body in space.
    • The mission was designed to just orbit around the moon and make observations with the help of the instruments onboard.
    • The closest that the Chandrayaan-1 spacecraft came to the moon was in an orbit 100 km from its surface.

     

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  • [pib] Exercise Cobra Warrior

    IAF contingent comprising to participate in Exercise Cobra Warrior at the Waddington Air Force Base of the Royal Air Force in the United Kingdom.

    Exercise Cobra Warrior

    • Cobra Warrior is a multinational military exercise that takes place annually in the United Kingdom.
    • It is designed to improve the readiness and interoperability of the Royal Air Force and allied air forces for joint combat operations.
    • The exercise brings together military units from different countries, including NATO allies and partner nations, to practice and enhance their air combat capabilities.
    • During the exercise, the participating air forces conduct a series of realistic training scenarios that simulate air-to-air combat, air-to-ground attacks, and other mission types.
    • The aim is to provide pilots and ground crews with realistic training experiences to help prepare them for real-world combat situations.

     

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  • Organ on a chip: New setup for lab testing

    organ

    Central idea: Organ-on-a-chip technology has emerged as a new laboratory setup that scientists are using instead of animals to test new drugs.

    What is Organ-on-a-Chip?

    • Organ-on-a-chip is a microfluidic device that aims to mimic the structure and function of specific human organs or tissues in vitro.
    • It is a small, transparent chip made of biocompatible materials such as silicon, glass, or polymers, and contains tiny channels lined with living cells.
    • The living cells are derived from human tissues and can be cultured to replicate the microenvironment of the specific organ being modelled.

    How does Organ-on-a-Chip work?

    • Microfluidic channels simulation: Each organ-on-a-chip contains a complex network of microfluidic channels and chambers that can simulate the mechanical and chemical environment of a specific organ.
    • Mimics the blood flow: The microfluidic channels can mimic the flow of blood and air, while the living cells provide a realistic environment for drug testing and disease modelling.

    Potential applications of organ-on-a-chip

    • Organ-on-a-chip technology has numerous potential applications, including drug development, disease modelling, and toxicity testing.
    • By replicating the structure and function of human organs, researchers can study how organs interact with drugs and other compounds.
    • This could lead to the development of more effective and personalized treatments for a variety of diseases.
    • Additionally, organ-on-a-chip technology provides a more ethical and effective approach to testing drugs and other compounds, reducing the reliance on animal testing.

    Examples of Organ-on-a-Chip

    Several examples of organ-on-a-chip technology have been developed, including-

    • Lung-on-a-chip mimics the air-blood interface in the lungs
    • Heart-on-a-chip mimics the mechanical and electrical properties of the heart
    • Liver-on-a-chip replicates the metabolic activity of the liver
    • Brain-on-a-chip models the blood-brain barrier and neural activity in the brain

    Future prospects

    • Organ-on-a-chip technology is a promising and rapidly evolving field that offers numerous advantages over traditional drug development and testing methods.
    • It provides a more ethical and effective approach to testing drugs and other compounds, reducing the reliance on animal testing.
    • Furthermore, it has the potential to revolutionize the field of drug development by enabling more personalized and effective treatments for a variety of diseases.

     

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  • National Science Day and CV Raman

    raman

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

    National Science Day

    • In 1986, the Government of India, under then PM Rajiv Gandhi, designated February 28 as National Science Day to commemorate the announcement of the discovery of the “Raman Effect”.
    • The Raman Effect was the discovery which won physicist Sir CV Raman his Nobel Prize in 1930.

    Who was CV Raman?

    • Raman conducted his Nobel-prize-winning research at IACS, Calcutta.
    • While he was educated entirely in India, Raman travelled to London for the first time in 1921, where his reputation in the study of optics and acoustics was known to physicists such as JJ Thomson and Lord Rutherford.
    • The Raman Effect won scientist Sir CV Raman the Nobel Prize for physics in 1930.
    • It was also designated as an International Historic Chemical Landmark jointly by the American Chemical Society (ACS) and the Indian Association for the Cultivation of Science (IACS).
    • His speciality was the study of vibrations and sounds of stringed instruments such as the Indian veena and tambura, and Indian percussion instruments such as the tabla and mridangam.

    The Raman Effect

    • In 1928, Raman discovered that when a stream of light passes through a liquid, a fraction of the light scattered by the liquid is of a different colour.
    • While Raman was returning from London in a 15-day voyage, he started thinking about the colour of the deep blue Mediterranean.
    • He wasn’t convinced by the explanation that the colour of the sea was blue due to the reflection of the sky.
    • As the ship docked in Bombay, he sent a letter to the editor of the journal Nature, in which he penned down his thoughts on this.
    • Subsequently, Raman was able to show that the blue colour of the water was due to the scattering of the sunlight by water molecules.
    • By this time he was obsessed with the phenomenon of light scattering.

    Observing the effect

    raman

    • The Raman Effect is when the change in the energy of the light is affected by the vibrations of the molecule or material under observation, leading to a change in its wavelength.
    • Significantly, it notes that the Raman effect is “very weak” — this is because when the object in question is small (smaller than a few nanometres), the light will pass through it undisturbed.
    • But a few times in a billion, light waves may interact with the particle. This could also explain why it was not discovered before.
    • In general, when light interacts with an object, it can either be reflected, refracted or transmitted.
    • One of the things that scientists look at when light is scattered is if the particle it interacts with is able to change its energy.

    Real-life applications

    • Raman spectroscopy is used in many varied fields – in fact, any application where non-destructive, microscopic, chemical analysis and imaging is required.
    • Whether the goal is qualitative or quantitative data, Raman analysis can provide key information easily and quickly.
    • It can be used to rapidly characterize the chemical composition and structure of a sample, whether solid, liquid, gas, gel, slurry or powder.

     

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  • ASI finds 1,300-yr-old Buddhist Stupa in Odisha

    stupa

    The Archaeological Survey of India (ASI) stumbled upon a 1,300-year-old stupa right in the middle of a Khondalite mining site in Odisha’s Jajpur district.

    About the Stupa

    • The stupa could be 4.5-meter tall and initial assessment showed it may belong to the 7th or 8th
    • It was found at Parabhadi which is situated near Lalitagiri, a major Buddhist complex, having a large number of stupas and monasteries.
    • The newly discovered stupa was possibly disfigured in an earlier period.

    Khondalite

    stupa

    • Khondalite is a foliated metamorphic rock.
    • It is also called Bezwada Gneiss and Kailasa Gneiss.
    • It was named after the Khond tribe of Odisha and Andhra Pradesh because well-formed examples of the rock were found in the inhabited hills of these regions of eastern India.

     

    Back2Basics: Lalitagiri Buddhist Complex

    stupa

    • Lalitagiri is a major Buddhist complex in the state of Odisha.
    • The complex is home to stupas, ‘esoteric’ Buddha images, and monasteries (viharas), which is the oldest site in the region.
    • Significant finds at this complex include Buddha’s relics. Tantric Buddhism was practiced at this site.
    • Together with the Ratnagiri and Udayagiri sites a short distance away, Lalitagiri is part of the “Diamond Triangle”.
    • It used to be thought that one or all of these were the large Pushpagiri Vihara known from ancient records, but this has now convincingly located at a different site.

    Stupa Architecture

    stupa

    In the most basic sense, as an architectural representation of a sacred burial site, a stupa — no matter where it is located in the world or when it was built — has three fundamental features.

    • A hemispherical mound (anda) The anda’s domed shape (green highlights) recalls a mound of dirt that was used to cover the Buddha’s remains. As you might expect, it has a solid core and cannot be entered. Consistent with their symbolic associations, the earliest stupas contained actual relics of the Buddha; the relic chamber, buried deep inside the anda, is called the tabena. Over time, this hemispherical mound has taken on an even grander symbolic association: the mountain home of the gods at the center of the universe.
    • A square railing (harmika) The harmika (red highlights) is inspired by a square railing or fence that surrounded the mound of dirt, marking it as a sacred burial site.
    • A central pillar supporting a triple-umbrella form (chattra) The chattra, in turn, was derived from umbrellas that were placed over the mound to protect it from the elements (purple highlights). Just as the anda’s symbolic value expanded over time, the central pillar that holds the umbrellas has come to represent the pivot of the universe, the axis along which the divine descends from heaven and becomes accessible to humanity. And the three circular umbrella-like disks represent the three Jewels, or Triantha, of Buddhism, which are the keys to a true understanding of the faith: (a) Buddha; (b) dharma (Buddhist teachings or religious law); and (c) sangha (monastic community).

    Around these three core building blocks were added secondary features.

    • Enclosure wall with decorated gateways (toranas) at the cardinal directions The wall — with its trademark three horizontal stone bars (in the top image) — surrounds the entire structure. The wall is marked in light blue highlights and the toranas in yellow.
    • A circular terrace (medhi) The terrace — surrounded by a similar three-bar railing — supports the anda and raises it off the ground (black highlights); it likely served as a platform for ritual circumambulation.

     

     

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  • India ranks 42 among 55 countries on International IP Index

    ip

    India ranks 42nd among 55 leading global economies on the International Intellectual Property (IP) Index released by the US Chambers of Commerce.

    International IP Index

    • It is released annually by the US Chamber of Commerce.
    • The index evaluates IP rights in 55 global economies across 50 unique indicators.
    • The indicators include patent and copyright policies to commercialization of IP assets, and ratification of international treaties.
    • The index aims to help nations navigate toward a brighter economic future marked by greater innovation, creativity, and competitiveness.

    Key prospects for India

    • India is ripe to become a leader for emerging markets seeking to transform their economy through IP-driven innovation said the report.
    • Successful IP-based businesses in India include pharmaceutical companies, software firms, and creative industries.

    Key factors contributing to India’s score

    • IP laws
    • Efficiency of its judicial system and
    • Level of enforcement of IP rights

    Challenges faced

    • These are some challenges faced by Indian companies in protecting and monetizing their IP include issues such as-
    1. Counterfeiting
    2. Piracy
    3. Weak enforcement of IP laws

    IP regime in India

    Broadly, the following acts deal with the protection of intellectual property:

    • Trade Marks Act, 1999
    • The Patents Act, 1970 (as amended in 2005)
    • The Copyright Act, 1957
    • The Designs Act, 2000
    • The Geographical Indications of Goods (Registration and Protection) Act, 1999
    • The Semiconductor Integrated Circuits Layout Design Act, 2000
    • The Protection of Plant Varieties and Farmers’ Right Act, 2001
    • The Information Technology Act, 2000

    Way forward

    • India must undertake reforms to strengthen IP protection and enforcement, modernizing IP laws, and increasing investment in IP infrastructure.
    • Collaboration between government, industry, and academia is important in improving India’s IP ecosystem/
    • Lessons can be learned from other countries with successful IP regimes, such as the United States, Japan, and South Korea.

     

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