science and tech

Shingles Vaccine Reduces Dementia Risk by 20%

Context: A recent study from Wales, published in The Lancet Healthy Longevity, found that the shingles vaccine is associated with a significantly lower risk of developing dementia. What is Dementia🧠? Dementia is a group of conditions characterised by impairment of...

International Atomic Energy Agency (IAEA), History, Members and Functions

Context: The International Atomic Energy Agency (IAEA) has said that there has been “no radiation leak” from any nuclear facility in Pakistan after the escalated military engagement with India. The UPSC Syllabus includes the International Atomic Energy Agency as a...

Polar Satellite Launch Vehicle (PSLV), Variant and Significance

ISRO is set to launch an Earth observation satellite using PSLV rockets. The Polar Satellite Launch Vehicle (PSLV) is an expendable launch vehicle developed and operated by the Indian Space Research Organisation (ISRO). It primarily launches satellites into polar orbits,...

How Climate Change Affects Human Gut Health

Context: A Lancet Planetary Health review suggests that climate-induced food scarcity and malnutrition might alter gut bacteria, potentially worsening climate change's impact on human health. How Climate Change Affects Human Gut Health Nutritional Disruption Reduced crop quality: Climate change leads...

Songar Drones, Key Features, Range and Performance

Context: Pakistan likely used gun-toting Turkish Songar drones to strike India. About Songar Drones The Songar drone is a weaponised Unmanned Aerial Vehicle (UAV) system produced by the Turkish defence firm Asisguard. It is Turkey's first indigenously produced weaponised drone...

Rafale Fighter Jets, Key Specifications, Features and Significance

Rafale is a twin-engine, multirole combat aircraft designed and produced by France's Dassault Aviation. Versatile in nature, the Rafale has a strong ability in air superiority, ground strike, reconnaissance, and nuclear deterrence operations. The Rafale Fighter Jets, with state-of-the-art avionics...

Asteroid 2024 YR4: NASA Rules Out No Earth Impact Threat for 2032

Context: According to a NASA announcement on April 2, asteroid YR4 has a 3.8% chance of colliding with the moon on December 22, 2032. Asteroid 2024 YR4 Discovery: Detected in December 2024 by the ATLAS telescope in Chile. Type: A...

National Technology Day 2025, Theme, History, Significance

National Technology Day 2025 was celebrated yesterday, Sunday, May 11, 2025, across India. This annual event commemorates India's significant technological achievements and honours the contributions of scientists, engineers, and innovators. The theme of National Technology Day 2025 is "YANTRA –...

List Of Top 10 Air Defence Systems In The World

With the fast-changing security environment of today, air defense systems are at the center of protecting a nation's airspace from dangerous adversaries. These technologically advanced systems feature sophisticated radar, missile, and networking technologies to identify, intercept, and destroy enemy aircraft,...

Akashteer System, Purpose, Benefits, Significance

India's native Akashteer Air Defence System, produced by Bharat Electronics Limited (BEL), has become a game-changer in national security. As India's version of Israel's Iron Dome, the Akashteer system highlights the nation's increasing capability in creating sophisticated, automated air defence...