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  • Gamma-Ray Burst in faraway Galaxy disturbed Earth’s Ionosphere

    Central Idea

    • A Star’s Explosive End: About two billion years ago, far beyond our Milky Way galaxy, a huge star exploded into a supernova. This explosion sent out a massive burst of gamma rays, the most powerful type of energy wave in the electromagnetic spectrum.
    • Gamma-Ray Bursts: These bursts are short-lived but incredibly intense, often associated with the most dramatic events in the universe, like the death of massive stars.

    Why discuss this?

    • These gamma rays travelled across space for billions of years, finally reaching Earth in 2022.
    • When they arrived, they caused a significant disturbance in Earth’s ionosphere, a layer of electrically charged gases high in our atmosphere.

    What are Gamma-Ray Bursts?

    • What Are They? Gamma-ray bursts (GRBs) are incredibly intense flashes of gamma rays, which are the most energetic form of light in the electromagnetic spectrum. These bursts are the most powerful explosions observed in the universe.
    • How They Occur: They usually happen when massive stars collapse into neutron stars or black holes, or during the merger of neutron stars. These cosmic catastrophes release a tremendous amount of energy.
    • Duration and Energy: GRBs can last from a few milliseconds to several hours, but they typically last a few seconds. The amount of energy released in this short time can be more than the Sun will emit in its entire 10-billion-year lifetime.
    • Afterglow: Following the initial burst, GRBs are often followed by an ‘afterglow’ emitted at longer wavelengths (X-ray, ultraviolet, optical, infrared, and radio).

    Earthly Consequences and Research

    • Lasting Effects: The gamma rays disturbed the ionosphere for several hours and even set off lightning detectors in India.
    • Scientific Importance: Although this burst didn’t harm life on Earth, it showed how sensitive our ionosphere is to space events.
    • A Rare Event: Such a powerful gamma-ray burst is expected to hit Earth only once every 10,000 years.

    Looking Ahead: Protecting Earth from Cosmic Threats

    • Preparing for Future Events: Scientists are studying the potential risks of a similar event happening closer to Earth, within our own Milky Way.
    • Low Risk: However, the chance of such a dangerous event happening is very low.

  • China to extend China-Myanmar Economic Corridor to Sri Lanka

    cmec

    Central Idea

    • In a significant move towards expanding the Belt and Road Initiative (BRI) in South Asia, China has expressed its commitment to prioritize the extension of the China-Myanmar Economic Corridor (CMEC) to Sri Lanka.

    What is CMEC?

    Details
    Geographical Scope Connects China’s Yunnan Province with Mandalay, Kyaukphyu SEZ on the Bay of Bengal, and Yangon in Myanmar.
    Strategic Importance Provides China an alternative to the Strait of Malacca for trade and energy transport. Offers a shorter, more secure route to the Middle East and Africa.
    Infrastructure Involves building roads, railways, ports, and industrial zones. Key projects include the development of the Kyaukphyu deep-sea port.
    Economic Impact on Myanmar Promises infrastructure development, foreign investment, and job creation in Myanmar. Raises concerns about debt sustainability, environmental impact, and displacement of local communities.
    Political and Security Challenges The corridor passes through politically sensitive and conflict-prone areas in Myanmar, posing challenges to its implementation and stability.

    Expanding the Economic Corridor

    • China’s Strategic Priority: State Councillor Shen Yiqin emphasized that China is making the extension of the CMEC to Sri Lanka a strategic priority.
    • Free Trade Agreement Acceleration: Both nations affirmed their commitment to expediting the implementation of the China-Sri Lanka Free Trade Agreement, reinforcing their economic partnership.

    Significance of CMEC in BRI

    • CMEC’s Emergence: CMEC is the latest addition to the six land corridors within the Belt and Road Initiative, gaining prominence over the stalled Bangladesh-China India Myanmar (BCIM) corridor.
    • South Asian Perspective: India and Bhutan remain outside the BRI framework, while countries like Sri Lanka are enthusiastic participants, poised for a more substantial economic contribution in the second phase of the initiative.

  • Langlands Program: Making Complex Math Connections Easier to Understand

    Central Idea

    • Robert Langlands, a mathematician famous for his “Langlands Program,” has shifted his focus to Turkish literature in his later years.
    • This program is about finding deep links between two areas of math: number theory (the study of numbers) and harmonic analysis (a type of math that breaks down functions or signals into simpler parts).

    Langlands Program: A Journey to Connect Different Math Areas

    • Beginning: In 1967, Robert Langlands, a young mathematician at Princeton, started this journey with a letter to another mathematician, Andre Weil, sharing some groundbreaking ideas.
    • Complex Ideas: The program is full of complicated ideas that are hard for even experts to fully understand.
    • Goal: It aims to connect number theory and harmonic analysis, two areas of math that don’t seem related at first.

    The Purpose of the Program

    • Abel’s Discovery: In 1824, Niels Henrik Abel showed that it’s impossible to find a one-size-fits-all solution for certain math equations (polynomial equations) beyond a certain complexity.
    • Galois’s Approach: Evariste Galois, who didn’t know about Abel’s work, suggested looking at patterns (symmetries) in the solutions of these equations instead of trying to solve them directly.
    • Galois Groups: These are groups that show the patterns in the solutions of these equations and are key to the Langlands Program.
    • Linking Ideas: The program tries to connect these Galois groups with something called automorphic functions, which would allow using calculus (a branch of math) to explore these equations, connecting harmonic analysis and number theory.

    Automorphic Functions: Connecting Different Areas of Math

    • Example of Automorphic Function: Think of functions that have a repeating pattern, like the way sine functions in trigonometry work.
    • Special Symmetry: Automorphic functions have a unique property where they remain the same even after certain transformations, showing a special kind of symmetry.
    • Role in Langlands Program: The program’s goal is to link these special functions with Galois groups, leading to new ways of understanding and solving math problems.

    Impact of the Program

    • Solving an Old Puzzle: In 1994, Andrew Wiles and Richard Taylor used ideas from the Langlands Program to solve Fermat’s Last Theorem, a famous and old math problem.
    • Creating New Functions: This program helps in making new types of automorphic functions, which could help solve other complex math problems, like the Ramanujan conjectures.
    • Geometric Langlands: This is a branch of the Langlands Program that looks at connections between different fields like algebraic geometry, representation theory, and even physics.
    • Math and Physics Connection: Recent studies suggest that this program might help in understanding things in physics, like the study of electromagnetic waves.

  • Supreme Court questions Governor’s Discretion on TN Bills

    Central Idea

    • The Supreme Court has taken notice of the Tamil Nadu government’s assertion that Governor R.N. Ravi lacks the “discretion” to withhold approval for the ten Bills “re-passed” by the State Legislative Assembly.
    • This legal matter revolves around the interpretation of Article 200 of the Constitution, which governs the Governor’s role in granting assent to Bills passed by the State Legislature.

    Article 200 of the Indian Constitution

     

    • It pertains to the “Assent to Bills.”
    • It outlines the procedure for the Governor of a state in India to give their assent to bills passed by the state legislature.
    • Article 200 states that when a bill is passed by the legislative assembly of a state (or in the case of a bicameral legislature, by the legislative assembly and legislative council), it shall be presented to the Governor for their assent.

    Governor’s Discretion: The Governor has the discretion to either:

    1. Give their assent to the bill, after which it becomes a law.
    2. Withhold their assent to the bill, in which case the bill does not become law.
    3. Return the bill (if it is not a money bill) to the legislature with a request for reconsideration, along with a specific message explaining the reasons for withholding assent.

    Reconsideration by the Legislature: If the Governor returns a bill for reconsideration, the legislature can then reconsider the bill, taking into account the Governor’s message. They may choose to make amendments to the bill or pass it again without any changes.

    Assent after Reconsideration: If the bill is passed again by the legislature, with or without amendments, and is presented to the Governor, the Governor is bound to give their assent to it. In other words, the Governor cannot withhold assent a second time.

     

    Governor’s Discretion

    • Article 200 Interpretation: The Tamil Nadu government argued that once Bills have been re-passed by the Assembly, they are treated similarly to Money Bills and cannot be rejected by the Governor.
    • Questioning the Process: The CJI questioned whether the Governor must send the Bills back to the Assembly for reconsideration after withholding assent.
    • Limiting Presidential Referral: The State also emphasized that the Governor cannot refer the reiterated Bills to the President after withholding assent.

    Background and Delay

    • Delayed Bills: The Bills in question were sent to the Governor’s office between January 2020 and April 2023, and the State accused the Governor of holding them indefinitely.
    • Special Session: The TN Assembly convened a special session to re-pass the Bills after the Governor withheld assent.
    • Governor’s Statement: The Governor returned the Bills with a simple statement: “I withhold consent,” prompting the Assembly to take action.

    Legal Perspectives

    • Governor’s Ceremonial Role: The State contends that the Governor’s role is primarily ceremonial and that he must act within the State Legislature’s framework.
    • Will of the People: The Bills passed by the Assembly represent the will of the people and should not be delayed or rejected without valid reasons.

    Supreme Court’s Response

    • Addressing Delay: The Supreme Court acknowledged the need to address whether there has been a delay in the Governor’s constitutional function.
    • Bill Status: The Attorney General mentioned that 182 Bills were presented to the Governor, with 152 approved, five withdrawn, and nine reserved for referral to the President.
    • Key Issue: The real issue in this case involves amendments to State universities’ legislations that affect the Governor’s powers to select Vice-Chancellors.

    Conclusion

    • The Supreme Court’s hearing on this matter raises critical questions about the Governor’s role in granting assent to Bills and the need to ensure timely decision-making in the best interest of the people and governance of the State.
    • The interpretation of Article 200 of the Constitution will play a pivotal role in this legal dispute.

  • Freemartins in Animal Husbandry

    Central Idea

    • In the realm of animal husbandry, a phenomenon known as Freemartinism sheds light on the extraordinary diversity found in cattle.

    Freemartinism: A Unique Phenomenon

    • Freemartins are sterile female cattle born exhibiting characteristics of both sexes.
    • This phenomenon arises when a male and a female twin develop within the same uterus, occurring in approximately 90% of twin pregnancies in cattle.
    • The exchange of blood between the male and female foetuses during gestation plays a pivotal role in Freemartinism.
    • Freemartinism is primarily attributed to the sharing of cells carrying the Y chromosome from the male twin with the female twin.
    • Y chromosome triggers the development of male reproductive organs in the male foetus, while the female foetus, influenced by male hormones, undergoes incomplete development of its reproductive system.
    • Freemartins possess underdeveloped or non-functional reproductive tracts, rendering them incapable of reproduction.

    Agricultural Significance

    • In agricultural settings, identifying freemartins is crucial to enhance reproductive efficiency in cattle breeding.
    • Farmers often utilize physical and behavioural traits to identify freemartins, subsequently removing them from the breeding herd.
    • This culling strategy helps improve the overall breeding program by ensuring that non-reproductive cattle do not contribute to the herd.

  • Who was Lachit Borphukan?

    Lachit Borphukan

    Central Idea

    • An animation film on an iconic Ahom general Lachit Borphukan has been selected for the International Film Festival of India (IFFI) 2023 to be held in Goa.

    Lachit Borphukan

    • Lachit Borphukan was a legendary military commander from the northeastern region of India, specifically from the state of Assam. Here are some facts related to him:
    Description
    Timeline 1622-1672
    Dynasty Ahom Dynasty
    Mughal Threat Faced the Mughal Empire’s expansion into Assam
    Battle of Saraighat Led Ahom forces to victory against the Mughals in 1671

    Defended Assam against the Aurangzeb’s forces led by Ram Singh
    Leadership Known for strategic brilliance and guerrilla tactics
    Legacy Revered as a symbol of Assamese pride and resistance
    INS Lachit Indian Navy’s guided-missile destroyer named in honor
    Lachit Divas Celebrated annually on November 24th in Assam

     

    https://www.thehindu.com/news/national/other-states/assam-ips-officer-directed-animation-film-chosen-for-iffi-2023/article67550668.ece

     

  • Places in news: Kadalundi Mudflats

    Central Idea

    • Kadalundi’s mudflats are shrinking drastically with sands cover.
    • These mudflats have been a vital source of sustenance for thousands of migrant shorebirds, offering abundant prey like polychaetes and crustaceans.

    About Kadalundi Mudflats

    • Kadalundi Mudflats are situated in the Kadalundi Bird Sanctuary, which is located in the Kozhikode district of Kerala, along the southwestern coast of India. The sanctuary encompasses estuarine wetlands, mudflats, and mangrove forests.
    • The mudflats are part of the estuarine ecosystem formed at the confluence of the Kadalundi River and the Arabian Sea.
    • This unique environment is influenced by both freshwater from the river and saline water from the sea, creating a diverse habitat.

    Ecological significance

    • Kadalundi Mudflats are renowned for their rich biodiversity, especially in terms of avian species.
    • The Kadalundi Bird Sanctuary and the mudflats are protected under the Wildlife Protection Act of 1972.
    • The mudflats serve as a critical habitat for various resident and migratory birds.
    • It is estimated that over 100 species of resident and migratory birds visit the area, making it a paradise for birdwatchers and ornithologists.
    • They are a crucial stopover point for migratory birds travelling along the East Asia-Australasia Flyway.

  • Cultivation of GI-tagged Onattukara Sesame

    Onattukara Sesame

    Context

    • Kerala is taking efforts to expand the cultivation of Geographical Indication (GI)-tagged Onattukara sesame, a unique and valuable agricultural product.
    • Onattukara sesame was granted the GI tag in January this year.

    Onattukara Sesame (Ellu )

    Description

    Region of Cultivation

    		 Primarily cultivated in the Onattukara region, covering Alappuzha, Kollam, and Pathanamthitta districts in Kerala, India.
    Medicinal Properties Onattukara sesame is known for its medicinal properties and high quality.
    Traditional Use Traditional ayurvedic doctors in the region have used Onattukara sesame oil for treating rheumatism and skin protection since the 18th century.
    Nutritional Value Rich in vitamin E and antioxidants. Contains essential fatty acids like oleic acid, linoleic acid, and palmitoleic acid.
    Varieties Grown in various varieties, including ‘ayali,’ Kayamkulam-1, thilak, thilathara, and thilarani, developed by ORARS, Kayamkulam.
    Market Potential Obtaining the GI tag is expected to increase its popularity and market value, leading to higher prices for sesame seeds and oil.
    Pricing Current prices: Sesame seeds – ₹200 to ₹250 per kilogram, Sesame oil – ₹500 to ₹600 per kilogram.

  • GI tag for Sea Buckthorn

    Sea Buckthorn

    Central Idea

    • The Geographical Indication Registry has officially granted the GI tag to ‘Ladakh Sea Buckthorn’.
    • It is the fourth GI tag after Apricot (Raktsey Karpo), Pashmina, and Ladakhi Wood Carving in Ladakh.

    About Sea Buckthorn

    • Sea buckthorn is a plant that grows in Europe and Asia.
    • In India, it’s found in the Himalayan region, especially in dry places like the cold deserts of Ladakh and Spiti.
    • This plant produces small orange or yellow berries that are sour but full of vitamins, especially vitamin C.
    • It can survive really hot and really cold temperatures, which makes it perfect for the cold deserts.
    • Every part of the plant—berries, leaves, twigs, roots, and thorns—are useful for medicine, food, fuel, and fencing.
    • It’s also a vital food source for many birds and provides nutritious food for animals like sheep, goats, donkeys, cattle, and camels in the cold desert regions.
    • It is often called the ‘Wonder Plant,’ ‘Ladakh Gold,’ ‘Golden Bush,’ or ‘Gold Mine’ of the cold deserts.

    Back2Basics: GI Tag

    • A GI is a sign used on products that have a specific geographical origin and possess qualities or a reputation that are due to that origin.
    • Nodal Agency: Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce and Industry
    • India, as a member of the World Trade Organization (WTO), enacted the Geographical Indications of Goods (Registration and Protection) Act, 1999 w.e.f. September 2003.
    • GIs have been defined under Article 22 (1) of the WTO Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) Agreement.
    • The tag stands valid for 10 years.

  • India’s Global Talent Competitiveness Ranking falls to 103

    Central Idea

    • India’s ranking in the Global Talent Competitiveness Index (GTCI) has significantly declined from 83 a decade ago to 103 in the latest report released this month.
    • India now finds itself positioned between Algeria (ranked 102) and Guatemala (ranked 104), all classified as lower-middle-income countries.

    About Global Talent Competitiveness Index (GTCI)

    • The GTCI ranks 134 countries based on their ability to grow, attract, and retain talent.
    • It is released by INSEAD, a partner and sponsor of the United Nation’s Sustainable Development Goals (SDGs)Davos, Switzerland recently.
    • INSEAD is one of the world’s leading and largest graduate business schools with locations all over the world and alliances with top institutions.
    • The report ranks countries based on 6 pillars:
    1. enable
    2. attract
    3. grow
    4. retain talent
    5. vocation and technical skills
    6. global knowledge skills

    India’s Ranking and Comparisons

    • Rank 103: India’s current rank is well below the median score of the countries assessed in the GTCI.
    • BRICS Nations: India’s performance in the GTCI is the weakest among the BRICS countries. China leads the group at rank 40, followed by Russia at 52, South Africa at 68, and Brazil at 69.
    • Top Three Countries: These are Singapore, Switzerland, and the United States.
    • Skills Mismatch: India faces an increased skills mismatch and difficulties in finding skilled employees, resulting in its low rankings in the ‘Employability’ and ‘Vocational and Technical Skills’ categories.
    • Best-Performing Area: India’s best-performing area in the GTCI is “Global Knowledge Skills,” driven by innovation and software development, contributing to its 69th position in the “Talent Impact” sub-pillar.