Category: Science & Tech

A: Goosebumps, scientifically known as piloerection, occur when tiny muscles called arrector pili contract at the base of hair follicles. This pulls the hairs upright, creating the little harmless bumps on the skin. The response is controlled by the sympathetic nervous system, a branch of the autonomic nervous system that automatically regulates involuntary bodily reactions....

Along the Vaigai river in southern Tamil Nadu, archaeologists have been excavating an old settlement at Keezhadi. They have already found brick walls, channels that look like drains or small canals, floors made of fine clay, and many pieces of pottery. These finds matter because Tamil poems from the Sangam period talk about busy towns...

Prime Minister Narendra Modi on Wednesday (December 24, 2025) congratulated Indian Space Research Organisation (ISRO) for placing the heaviest satellite in orbit from India using the LVM3 rocket and strengthening the foundation for future missions such as the Gaganyaan. The Prime Minister also said that the success of the heavy-lift LVM3 rocket also reinforced India’s...

The Indian Space Research Organisation launched the LVM3-M6 rocket with the BlueBird Block-2 mission spacecraft on Wednesday (December 24, 2025) from the Satish Dhawan Space Center in Sriharikota. The mission is being undertaken as part of the commercial agreement signed between NewSpace India Ltd (NSIL) and US-based AST SpaceMobile (AST and Science, LLC). NewSpace India...

The Indian Space Research Organisation’s (ISRO) successfully launched the Launch Vehicle Mark 3 (LVM3) with the BlueBird Block-2 satellite on Wednesday (December 24, 2025) morning, from the second launch pad of the Satish Dhawan Space Centre in Sriharikota. The LVM3-M6 placed the BlueBird Block-2 satellite into Low Earth Orbit about 15 minutes after lift off....

A: You’ve just had a heavy meal and now you have to sit through a dull lecture. Soon you’re feeling drowsy. You yawn, and your eyes water. This happens because yawning affects the muscles and glands around the eyes. Just above each eye is a tissue called the lacrimal gland. These glands produce water and...

The 24-hour countdown for the launch of LVM3-M6 rocket, which will carry a new generation U.S. communication satellite commenced in Sriharikota on Tuesday (December 23, 2025), ISRO said. In a dedicated commercial mission, ISRO is scheduled to launch the Bluebird Block-2 spacecraft on board its heavy lift launch vehicle LVM3-M6 at 8.54 a.m. from the...

The story so far: Millions of naturally occurring Micrometeoroids and Orbital Debris (MMOD) orbit the earth, posing a constant threat to all spacecraft and space stations. The menace attracted global attention recently when a piece of debris struck the Chinese crewed vehicle Shenzhou-20, causing a minor crack in the window of its return capsule, rendering...

Planarian flatworms are small, unassuming creatures with an astonishing talent. Cut one into pieces, and each fragment can regrow a complete animal. This seemingly magical ability comes from their prolific stem cells, known as neoblasts, which can produce every tissue in the body. In most animals, such regenerative stem cells grow under the care of...

Commemorating December 22 as National Mathematics Day invites memories of biographies, theorems, institutes, and prizes. But India also has mathematical places: built environments that render the mathematical act of measurement public. Jantar Mantar in New Delhi is one of them. It was commissioned by Sawai Jai Singh II and completed in 1724 as an architectural...