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ENVIRONMENTAL DNA
Science says ancient soil can reveal about extinct animals that left no bones, the hidden DNA record beneath our feet- In 2009, Illinois treated a six-mile canal with more than 1,800 gallons of fish-killing poison — and found just one invasive carp
- In 2000, University Of Illinois researchers searched 1,000 trillion DNA molecules for lead-sensitive DNA. 9 years later, their lab reported DNA sensors with sensitivity as low as 11 parts per trillion for toxic metals in drinking water
- In 1992, Congress authorized the removal of 2 dams that had blocked salmon for a century. 24 years later, the Elwha River once again flowed freely from the Olympic Mountains to the seaElwha River Restoration changed one of America’s most remarkable river recovery stories. Two dams once blocked salmon from reaching upstrea...26 Aug, 2026, 06.30 PM IST
- During World War II, Japan imported 150 South American nutria for military fur; after mass escapes and releases, their descendants spread across at least 19 prefectures and dug through rice fields and reservoir banksDuring wartime, Japan imported nutria for their lucrative fur farming, which inadvertently gave rise to large invasive populations. Origina...20 Aug, 2026, 01.10 PM IST
- Neanderthals disappeared about 40,000 years ago, but their DNA may now be helping some modern humans build more muscleA genetic variant inherited from Neanderthals boosts muscle mass in certain modern humans. This variant impacts the signaling of growth hor...19 Aug, 2026, 04.32 PM IST
- Beauty and the brief: Your cheat sheet to modern skincare, from barrier repair to regenerative treatmentsIf PDRN looks like a typo and exosomes soundlike science fiction, Divya Verma gives you acheat sheet to the language of modern skincare16 Aug, 2026, 10.10 AM IST
- North America saved its bison from extinction. Now scientists face a new threatBison numbers have recovered after near extinction, but genetic diversity is now a concern. Fragmented herds lack natural gene exchange, po...10 Aug, 2026, 08.30 PM IST
- A rare Greenland shark found in Ireland gave scientists new clues about how it lives for centuriesGreenland shark lifespan explained: A rare Greenland shark washed ashore on Ireland's west coast in April 2026. Researchers estimated the s...07 Aug, 2026, 12.55 AM IST
- What was so special about Wrangel and St. Paul islands, where Woolly Mammoths survived until their extinction? Scientists revealed the answer two decades agoFor years, scientists believed the last woolly mammoths disappeared because inbreeding and genetic decline made survival impossible. A land...04 Aug, 2026, 07.36 PM IST
- Ancient Egyptian crocodile mummies reveal surprising secret about a lost species worshipped over 2,000 years agoAncient crocodile mummies from Kom Ombo are revealing new secrets about Egyptian religion. DNA analysis identified a forgotten species, the...03 Aug, 2026, 05.29 PM IST
- NASA's Curiosity rover discovers vast field of honeycomb-like textures on Mars. Here's why it mattersNASA's Curiosity rover found a large field of honeycomb-like rock textures. These polygonal fractures are the largest such formation the ro...30 Jul, 2026, 08.23 PM IST
- China expanded solar panels across its grasslands; nine years later, the plants above and microbes below had both changedA recent study reveals solar panels significantly alter grassland ecosystems. These installations change plant diversity and soil microbial...29 Jul, 2026, 06.08 PM IST
- Japan coral protectors race to save reefs from heat 'bomb'Okinawa's coral reefs face severe damage from climate-driven marine heatwaves. Scientists are employing "heatwave simulators" to study cora...29 Jul, 2026, 10.22 AM IST
- 40,000 years ago, our closest ancient human relatives did something that changed the manifestation of relationship, bonding foreverKiss may last only a moment, but its evolutionary history could span millions of years. That simple gesture—today associated with love, fri...28 Jul, 2026, 06.29 PM IST
- Why some smokers don't develop lung cancer, while non-smokers do: New study reveals direct evidenceNew research reveals how inherited genetics impact DNA damage from exposures. This study provides direct evidence explaining why cancer ris...27 Jul, 2026, 07.03 PM IST
- Ancient Egyptian princesses buried with bows and daggers may have been trained fighters, as 3,800-year-old bones show arm changes and injuriesNew research suggests ancient Egyptian princesses trained with weapons found in their tombs. Bone changes on royal skeletons align with wea...18 Jul, 2026, 05.43 PM IST
- Delhi court takes cognisance of charge sheet in rape-murder case of IRS officer's daughterA Delhi court has taken cognisance of the charge sheet filed against a former domestic help. The accused faces charges in the rape and murd...18 Jul, 2026, 03.20 PM IST
- "One arm completely off": Florida woman dies after alligator attack while swimming in river; boyfriend tried to pull her from its jawsA horrific alligator attack claimed the life of a 31-year-old woman in Florida's Econlockhatchee River. While cooling off with her boyfrien...30 Jun, 2026, 11.09 PM IST
- Scientists found an 8-year-old Neanderthal child in a Belgian cave, and the molar DNA found is said to be the oldest human genetic code ever sequenced, turning one hillside into a rare window on our deep pastA young Neanderthal girl, the "Scladina child," unearthed in Belgium, has revolutionized our understanding of these ancient relatives. Her ...30 Jun, 2026, 03.42 PM IST
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