Sci-Five | The Hindu Science Quiz: On Gemstone 1 / 5 | What is the famous saying about Alexandrite’s colour change? Ruby by day, emerald by night Emerald by day, ruby by night Sapphire by day, topaz by night Opal by day, diamond by night Alexandrite shines red in lamplight and green in sunlight; hence,…
Ice is seen on the Pastoruri glacier in the Peruvian Andes, Peru, May 7, 2024. Image for Representation. | Photo Credit: Reuters China’s glacier area has shrunk by 26% since 1960 due to rapid global warming, with 7,000 small glaciers disappearing completely and glacial retreat intensifying in recent years, official data released in March showed….
Picture an ocean world so deep and dark it feels like another planet – where creatures glow and life survives under crushing pressure. This is the midwater zone, a hidden ecosystem that begins 650 feet (200 meters) below the ocean surface and sustains life across our planet. It includes the twilight zone and the midnight zone,…
India’s first indigenously developed Magnetic Resonance Imaging (MRI) scanner, scheduled to be installed for clinical trials at the All India Institute of Medical Sciences (AIIMS) in Delhi, according to a PTI report. The machine, which is set to be installed at AIIMS-Delhi for evaluation and clinial trials by October 2025, is expected to cut MRI…
NASA’s Hubble Space Telescope unveiled in stunning detail this small section of the expanding remains of a massive star that exploded about 8,000 years ago, now called the Veil Nebula, February 17, 2024. | Photo Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) Astronomers may be closer to solving one of the most intriguing…
Representative image | Photo Credit: Getty Images The Indian Council of Medical Research (ICMR), in collaboration with the All India Institute of Medical Sciences (AIIMS) Delhi and Dr. Shroff’s Charity Eye Hospital, in an initiative supported by the Union Ministry of Civil Aviation has successfully conducted a feasibility study to assess the potential of using…
Astronaut Sunita Williams uses the treadmill onboard the ISS in 2012. The harness is visible reaching from the treadmill’s base to a ring on her hip. | Photo Credit: NASA Are you trying to lose weight? Because in space you are already weightless. However, it is interesting to think about how astronauts can exercise in…
A cow remains in a corral before being exported to the U.S. through the Jeronimo-Santa Teresa border crossing, as the U.S. allowed Mexican cattle imports to resume after lifting a temporary suspension due to the detection of the New World screwworm, at the Chihuahua Regional Livestock Union facility, outside Ciudad Juarez, Mexico, February 10, 2025….
When we think about flood management, higher stop banks, stronger levees and concrete barriers usually come to mind. But what if the best solution – for people and nature – isn’t to confine rivers, but to give them more space? This alternative is increasingly being considered as an approach to mitigating flood risk. But allowing…
Silicosis is an incurable but entirely preventable lung disease. It has only one cause: breathing in too much silica dust. This is a risk in several industries, including tunnelling, stone masonry and construction. Just last week, ABC reported that 13 workers from tunnelling projects in Sydney have been diagnosed with silicosis. It’s yet another reminder that current…
