science and tech

Stem Cell Therapy for Frailty in Ageing Population: Benefits and Challenges

Context: A recent clinical study showed that mesenchymal stem cell therapy can improve physical function in elderly people with frailty, suggesting that frailty (earlier seen as normal ageing) may be biologically treatable. About Frailty Definition: Frailty is a condition of...

Global AI Arms Race: Nations Compete for Tech Dominance

Context: Rapid integration of Artificial Intelligence in military systems has triggered a strategic competition among major powers, often compared to the early nuclear arms race. AI Arms Race Between Countries United States: Rapid militarisation of AI through defence programmes launched...

Flavour Puzzle in Particle Physics: Concept, Causes and Significance

Context: In particle physics, scientists have discovered that fundamental particles occur in three repeating families called generations, but the reason for this pattern remains unexplained within current theory, creating the “flavour puzzle.” About Flavour and generations Meaning: In particle physics,...

Why Men Experience More Skin Infections?

Context: A study by researchers found that male sex hormones enhance bacterial communication, increasing susceptibility to skin infections Why Men Experience More Skin Infections Male hormones (testosterone and androgens) activate bacterial signalling systems that increase infection severity. Its impact is:...

Induction vs. Infrared Cooktops: Working Principle and Differences

Context: Due to LPG shortages during the West Asia conflict, many Indian households shifted to electric cooking options such as induction and infrared cooktops. Induction vs. Infrared Cooktops Choosing the right cooktop can make a big difference in your cooking...

India’s Nuclear Submarine Programmes And Strategic Deterrence

Context: India’s sea-based nuclear deterrence has strengthened with the commissioning of INS Aridhaman, reinforcing India’s nuclear triad capability (land, air, sea delivery systems). India’s Nuclear Submarine Programmes And Strategic Deterrence Programme Details Arihant Class SSBNs India’s indigenous nuclear ballistic missile...

GPS Spoofing: Meaning, Working, Types, Impacts, and India’s Response

In a world increasingly dependent on satellite-based navigation, the threat of GPS spoofing has emerged as a serious cybersecurity and national security challenge.Recent reports of “severe GPS spoofing” over Delhi’s airspace for seven consecutive days have raised alarms within India’s...

AI and Copyright: Key Concerns, Fair Use and Challenges

Context: The Delhi High Court has asked the Copyright Office to decide whether an Artificial Intelligence (AI) system can be recognised as the sole author of an artwork. The case involves an AI-generated painting and raises important legal and ethical...

Quantum Reference Facilities in India: Concept, Applications and Significance

Context: India’s first Quantum Reference Facilities (QRFs) are being launched under the Amaravati Quantum Valley programme in Andhra Pradesh, capable of testing up to 100-qubit quantum processes. About the Quantum Reference Facilities Concept: Quantum Reference Facility is a testing bed...

Permanent Nuclear Waste Disposal: Long-Term Storage and Safety

Context: Finland is set to become the first country in the world to operationalise a Deep Geological Repository (DGR) for the permanent disposal of high-level spent nuclear fuel. About Onkalo Named Onkalo (Finnish for "cave"), the facility is located 430...