- Stromatolites, or stromatoliths, are layered accretionary structures formed in shallow water by the trapping, binding, and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae).
- As sediment layered in shallow water, bacteria grew over it, binding the sedimentary particles and building layer upon millimetre layer until the layers became mounds.
- These structures are usually characterized by thin, alternating light and dark layers that may be flat, hummocky, or dome-shaped.
- Stromatolites were common in Precambrian time(i.e., more than 542 million years ago).
- Most stromatolites are marine, but some forms from Proterozoic strata more than 2 ½ billion years old are interpreted as inhabiting intertidal areas and freshwater ponds and lakes.
- Living stromatolites are found in only a few salty lagoons or bays on Earth.
- Western Australia is internationally significant for its variety of stromatolite sites, both living and fossilised.
- Shark Bay in Western Australia is one of only two places in the world where living marine stromatolites exist.
- Importance:
- Stromatolites provide some of the most ancient records of life on Earth by fossil remains which date back more than 3.5 billion years ago.
- Further, these biotic structures were instrumental in the Great Oxygenation Event over two billion years ago, introducing oxygen into the atmosphere and transforming the planet's habitability.
- Being photosynthetic, cyanobacteria produce oxygen as a by-product. Photosynthesis is the only major source of free oxygen gas in the atmosphere.
- As stromatolites became more common 2.5 billion years ago, they gradually changed the Earth's atmosphere from a carbon dioxide-rich mixture to the present-day oxygen-rich atmosphere.
- This major change paved the way for the next evolutionary step, the appearance of life based on the eukaryotic cell (cell with a nucleus).
2. What is the International Air Transport Association (IATA)?
About International Air Transport Association (IATA):
- IATA is an international trade association for the world's airlines, established in 1945 in Havana, Cuba, with 57 founding members.
- Its mission is "to represent, lead and serve the airline industry."
- IATA advocates for the interests of airlines on the world stage in addition to creating industry standards that
- simplify processes,
- increase safety,
- enhance passenger convenience,
- reduce costs,
- improve efficiency and
- help achieve sustainability goals.
- It currently represents some 330 airlines, comprising over 80% of global air traffic.
- IATA members include the world’s leading passenger and cargo airlines.
- Headquarters: Montreal, Canada.
- Functions:
- IATA supports many areas of aviation activity and helps formulate industry policy on critical aviation issues, including environmental concerns.
- The association advocates on behalf of airlines worldwide, challenging arbitrary laws and charges, holding regulators and governments accountable and striving for responsible regulation.
- Its goal is to help airlines reduce costs and improve efficiency by simplifying operations and boosting passenger convenience.
- It assists airlines in operating under clearly defined norms in a safe, secure, efficient, and cost-effective manner.
- Professional assistance is offered to all industry stakeholders in the form of a diverse offering of goods and professional services.
- The IATA Annual General Meeting & World Air Transport Summit, held in June each year, formalises industry positions on industry and public policy issues and provides a focus for emerging industry issues.
3. Process of counting votes
About Votes Counting Process
- 642 million voters participated in the world's largest democratic exercise.
- Election Commission of India (ECI): The ECI oversees the entire process, ensuring transparency and fairness in the counting of votes
Supervision and Direction:
- Returning Officer (RO): Oversees counting, typically the District Magistrate nominated by the ECI.
- Assistant Returning Officers: Support ROs, especially when overseeing multiple constituencies.
- Counting Officials: Include supervisors, assistants, Group D employees, and micro observers.
- Counting Supervisor: Usually a gazetted officer or equivalent.
- Counting Assistant and Staff: Drawn from Group D employees.
- Micro Observer: Ensures counting process integrity.
Access to Counting Hall:
- Allowed: Counting supervisors, assistants, micro observers, ECI-authorized individuals, public servants on duty, candidates, election agents, and counting agents.
- Not Allowed: Police officers, government ministers, and mobile phones (except ECI Observer).
Counting Locations:
- Appointed by RO, preferably at their headquarters but can be outside the constituency.
- Separate halls for each Assembly constituency with a maximum of 14 counting tables per hall.
Counting Process:
- EVMs are stored in a Strong Room, opened in the presence of observers and candidates.
- Postal ballots: Postal ballots are counted first, followed by EVM counting. The process continues simultaneously until the final tallies are prepared.
- Result display: Control Units display results, which are recorded in Form 17C.
Result Announcement:
- They are announced after each round of EVM counting, followed by a parallel count by the ECI Observer.
- VVPAT slips are verified sequentially after all EVM rounds, taking about an hour per machine.
4. European Parliament elections
About the European Parliament:
- It is the directly elected legislative body of the European Union (EU).
- It is one of the EU's main institutions and represents the citizens of the EU member states.
- The Parliament is headquartered in Strasbourg, France, but its work is conducted in three locations: Strasbourg, Brussels (Belgium), and Luxembourg.
- Primary Functions:
- Negotiating EU laws with member state governments.
- Approving the EU budget.
- Voting on international agreements and enlargements.
- Approving or rejecting the appointment of the European Commission president and commissioners.
- Composition, Term and Leadership:
- The EP comprises 720 members of the European Parliament (MEPs) who are elected by EU citizens every five years.
- MEPs then elect their president for a term of two and a half years.
- Candidacy:
- All candidates must be EU citizens.
- Voters may choose from individual candidates or delegates from political parties.
- Once elected, politicians from each nation join the European groups based on their political orientations.
- Restrictions for elected individuals: Elected MEPs cannot hold functions in national governments or other political bodies such as the EU Commission, the Court of Justice, or the Court of Auditors.
- Voting from abroad:
- EU citizens can vote either in their country of origin or from abroad.
- Voting from abroad is permitted in most member states except Czechia, Ireland, Malta, and Slovakia.
- In Bulgaria and Italy, this right applies only to those living within the EU.
- Voting process:
- Some member states use closed lists, while others allow voters to select individual candidates in a preferential system.
- Electors abroad can vote at their national embassies, via mail, or electronically.
5. Direct Seeded Rice (DSR)
About Direct Seeded Rice (DSR):
- It is a modern rice cultivation technique where rice seeds are directly sown into the field, replacing the traditional method of transplanting seedlings from a nursery.
- It is an efficient, and sustainable method of rice cultivation that offers significant benefits for farmers, the environment, and the economy.
- About Herbicide-Tolerant Basmati Rice: ICAR commercialised non-genetically modified (non-GM) Ht basmati rice. These varieties allow direct application of the herbicide Imazethapyr due to a mutated ALS gene.
- Scientific debate: Research indicates that hand weeding at specific intervals (20 and 40 days after sowing) in DSR is more effective and yield-enhancing than the use of Imazethapyr.
- ICAR’s research favours eco-friendly hand weeding over repeated herbicide applications for weed control and higher seed yield.
- Weed diversity and risks: Imazethapyr targets specific broadleaf weeds (BLW), not all weed types.
- Herbicide-resistant weeds may evolve, threatening rice production and food security.
- Similar challenges were seen with Bt-Cotton and pink bollworm resistance.
- Historical context: In the North Western Plains (e.g., Punjab, Haryana), DSR has been long used for growing Basmati rice.
- Green Revolution promoted water-intensive transplanted rice, causing ecological issues.
- Innovations in DSR: From 2014 to 2017, innovations in DSR at IARI Karnal led to the adoption of TAR-VATTAR technology, which uses climatic factors and effective herbicides like Pendimethalin to reduce costs and save water.
- Recent adoption and impact: During COVID-19, the labour shortage saw a spike in DSR adoption in Punjab, proving its viability.
- The Haryana government conserved water (e.g., 31,500 crore litres saved in 2022) by adopting DSR on a large scale.
6. Phenome India' Project
- Phenome India-CSIR Health Cohort Knowledgebase (PI-CheCK) is an initiative by the Council of Scientific and Industrial Research (CSIR), launched on 7th December 2023.
- Objective: The project aims to develop India-specific risk prediction models for cardio-metabolic diseases including diabetes, liver diseases, and cardiac diseases.
- This is the first-ever pan-India longitudinal health monitoring study focused on cardio-metabolic diseases.
- Participants: Nearly 10,000 participants including CSIR employees, pensioners, and their spouses from across 17 states and 24 cities have contributed to the study.
- The collected data includes clinical questionnaires, lifestyle and dietary habits, anthropometric measurements, imaging/scanning data, and extensive biochemical and molecular data.
- Importance: The study is crucial for understanding the risk and incidence of cardio-metabolic disorders in the Indian population which may differ from those in Western populations due to ethnic diversity and varied lifestyle patterns.
- Precision medicine initiative: Through this project, CSIR is promoting Predictive, Personalised, Participatory, and Preventive (P4) healthcare, tailored specifically to the Indian phenotypic and genetic profiles.
- About the Council of Scientific and Industrial Research (CSIR):
- Established: In September 1942.
- Headquarters: Located in New Delhi.
- Funding: CSIR is funded by the Ministry of Science and Technology.
- Autonomous body: It operates as an autonomous body under the Societies Registration Act, of 1860.
- Objectives:
- CSIR is primarily focused on scientific research and development in various fields such as aerospace, biology, chemistry, earth sciences, engineering, and medical sciences.
- Organisational structure:
- President: The Prime Minister of India (Ex-officio)
- Vice President: The Union Minister of Science and Technology (Ex-officio)
- Governing body:
- Head: The Director-General leads the governing body.
- Other Ex-officio member: The finance secretary (expenditures).
- Term duration: Other members serve terms of three years.
- CSIR Advisory Board:
- A 15-member body comprising prominent experts from various scientific and technological fields.
- The board’s role is to provide science and technology insights to the governing body.
- Member terms also span three years.
About Ahilya Bai Holkar:
- Maharani Ahilyabai Holkar (31 May 1725 – 13 August 1795) was the Holkar Queen of the Maratha Malwa kingdom, India.
- She is regarded as one of the most visionary female rulers of India. She is widely known for her wisdom, courage and administrative skills.
- Ahilyabai's husband, Khanderao Holkar, was killed in the battle of Kumbher in 1754.
- Twelve years later, her father-in-law, Malhar Rao Holkar, died.
- A year after that, she was crowned the queen of Malwa kingdom. For the next 28 years, Ahilyabai ruled over Malwa in a just, wise, and knowledgeable manner.
- Under Ahilyabai’s rule, Malwa enjoyed relative peace, prosperity, and stability, and her capital, Maheshwar, was turned into an oasis of literary, musical, artistic, and industrial pursuits.
- She welcomed stalwarts such as Marathi poet Moropant, Shahir Ananta Gandhi, and Sanskrit scholar Khushali Ram into her capital.
- She was instrumental in spreading the message of dharma and propagating industrialization.
- She established a textile industry in Maheshwar, which today is very famous for its Maheshwari sarees.
- She tried to protect her kingdom from plundering invaders.
- She was military-trained and personally led armies into battle.
- She appointed Tukojirao Holkar as the Chief of Army.
- She earned a reputation for administering justice fairly during her rule, without partiality or partisanship.
- She sentenced her only son, found guilty of a capital offense, to death by being crushed by an elephant.
- She was a great pioneer and builder of Hindu temples.
- She built hundreds of temples and Dharmashalas throughout India.
- Her most notable contribution was the renovation and repair of the famous Kashi Vishwanath Temple in 1780.
- She also made some landmark decisions during her reign, including the removal of traditional law confiscating the property of childless widows.
- She held daily public audiences to help redress the problems of the common man.
- John Keay, the British historian, gave the queen the title of ‘The Philosopher Queen’.
- She passed away on August 13, 1795, at the age of seventy.
- Her throne was then succeeded by her commander-in-chief and nephew, Tukojirao Holkar.
8. United Nations Global Supply Chain Forum
- It was the inaugural edition of the forum, which was held from May 21 to 24, 2024, in Barbados.
- It was hosted by UN Trade and Development (UNCTAD) in collaboration with the Government of Barbados.
- Over 1,000 participants from around the world convened to tackle the pressing issues of global disruptions, geopolitical tensions, climate change and the COVID-19 pandemic and their impact on global trade.
- It gathered key figures, including trade and transport Ministers from several small island developing states (SIDS).
- Representatives from various UN agencies, major ports like the Port of Seattle, and industry leaders in shipping and logistics were also present.
- The forum underscored the complexities and opportunities in decarbonizing global shipping, with a particular focus on developing countries rich in renewable energy resources.
- Efforts to incentivize low- or zero-carbon fuels, establish safety frameworks for new fuels, and enhance port readiness for handling various fuels were identified as critical steps in driving sustainable freight transport and logistics.
- One of the major outcomes of the forum was the launch of the “Manifesto for Intermodal, Low-Carbon, Efficient and Resilient Freight Transport and Logistics.”.
- This manifesto calls for a significant transformation in freight transport to achieve global climate targets and improve socio-economic resilience, emphasizing the transition to zero-emission fuels, optimized logistics, and sustainable value chains.
- Digital technologies were highlighted as key to enhancing global supply chain resilience.
- Ministers from SIDS advocated for international financial support and investment in green and sustainable technologies to enhance energy efficiency and combat marine pollution.
- A significant achievement of the forum was the launch of the UN Trade and Development Trade-and-Transport Dataset, developed in collaboration with the World Bank.
- This comprehensive repository provides global data on over 100 commodities and various transport modes, offering a holistic view of trade and transport costs.
- The next forum is set to take place in Saudi Arabia in 2026.
9. What is Preston Curve?
- It is a graphical representation that shows the relationship between a country's per capita income (usually measured as GDP per capita) and its average life expectancy.
- It was first proposed by American sociologist Samuel H. Preston in his 1975 paper, “The changing relation between mortality and level of economic development”.
- Preston found that people living in richer countries generally had longer life spans when compared with people living in poorer countries.
- This is likely because people in wealthier countries have better access to healthcare, are better educated, live in cleaner surroundings, enjoy better nutrition etc.
- When a poor country begins to grow, its per capita income rises and causes a significant increase in life expectancy initially as people are able to consume more than just subsistence calories, enjoy better healthcare, etc.
- For example, the average per capita income of Indians rose from around ₹9,000 per year in 1947 to around ₹55,000 per year in 2011. During the same period, the average life expectancy of Indians rose from a mere 32 years to over 66 years.
- However, the positive relationship between per capita income and life expectancy begins to flatten out after a certain point.
- In other words, an increase in the per capita income of a country does not cause much of a rise in the life expectancy of its population beyond a point, perhaps because human life span cannot be increased indefinitely.