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BIOLOGICAL INVASION
Thailand promoted Leucaena trees for fodder and reforestation, but scientists found that the fast-growing species is suppressing the natural regeneration of native forests- Hawaii, in the late 1800s, planted Leucaena trees for fodder and fuelwood, but scientists now say the invasive trees have replaced native habitats that evolved nowhere else on Earth
- Monaco bombing: Interpol names suspect who reportedly targeted Russia-linked Ukrainian tycoon
- Britain in the 1920s planted millions of Sitka spruce trees for timber, but scientists now say the country's forests support far fewer birds, plants, and insects than native woodlandsBritain's vast Sitka spruce plantations, while economically vital, host a surprisingly limited number of species compared to native trees. ...02 Jul, 2026, 08.34 PM IST
- Greece has placed a bounty on the head of the world's most toxic pufferfish, paying fishermen €5.33 per kilo to hunt the invasive predatorGreece is incentivizing fishermen with a generous bounty to hunt the dangerous silver-cheeked toadfish, an invasive species from the Indian...29 Jun, 2026, 03.48 PM IST
- In the 1940s, the brown tree snake reached Guam hidden in post-WWII cargo and set off a chain reaction that scientists are still measuring today; birds gone, tree seedlings down by up to 92%, and spiders multiplying up to 40-fold on an island that once had neitherAn invasive brown treesnake on Guam has decimated native bird populations, leading to a silent forest. This loss has crippled the island's ...25 Jun, 2026, 08.04 PM IST
- In 1859, English settlers released 24 wild rabbits; in 2024, scientists were shocked to find that the DNA of almost all the rabbits in Australia descended from those 24A seemingly simple request for hunting rabbits in 1859 by Thomas Austin in Australia unleashed a continental plague. While rabbits were int...25 Jun, 2026, 07.48 PM IST
- American scientists and ranchers are racing to stop a flesh-eating fly after 15 animal cases turned up in Texas and New Mexico, and the battle could take more than a yearFlesh-eating maggots, the New World screwworm, have reappeared in Texas and New Mexico, infecting livestock and at least one dog. Driven by...24 Jun, 2026, 05.33 PM IST
- Pet pythons escaped into Florida in the 1970s, spread for decades through the Everglades, then a hurricane carried them south, and now the Key Largo woodrat may disappearEndangered rodents in Key Largo face a crisis. Invasive Burmese pythons, spreading after Hurricane Irma, are decimating Key Largo woodrat p...19 Jun, 2026, 06.20 PM IST
- In 1988, cargo ships accidentally brought zebra mussels to the US in their ballast water, and they devastated the Great Lakes, but a 2026 study finds that after 20 years in Kansas lakes, they barely changed the fish or the waterA new study reveals that zebra mussel invasions in Kansas reservoirs over two decades have had minimal impact on water quality and fish pop...19 Jun, 2026, 02.40 PM IST
- In 1960, Spain planted an invasive tree thinking it was a great idea, and now it's hammering local birdlife because the ecosystem can't keep upNew research from Spain reveals a stark difference in birdlife between native forests and eucalyptus plantations. While species numbers rem...18 Jun, 2026, 04.03 PM IST
- 18 koalas moved to Kangaroo Island in the 1920s; a century on, 27,000 descendants are stripping eucalyptus bare and risk mass starvationKoalas are overpopulating in South Australia's Mount Lofty Ranges. This boom threatens eucalyptus forests, their food source. Scientists pr...15 Jun, 2026, 03.53 PM IST
- In 1979, old salmon cans were stored in an Alaskan cannery, and decades later, when scientists cracked them open, a rising worm count revealed something unexpected about changing ocean food websOld canned salmon from Alaska reveals a significant increase in parasitic worms. Scientists studied cans dating back to 1979. This rise in ...06 Jun, 2026, 05.37 PM IST
- In 1979, Japan released 30 mongooses onto Amami Oshima to kill venomous snakes, and it took 45 years to fix what happened nextJapan's ambitious plan to control venomous snakes on Amami Ōshima with Indian mongooses in 1979 backfired spectacularly. The introduced pre...04 Jun, 2026, 03.36 PM IST
- Bed bugs torment Trump administration's USDA office as infestation returns to APHIS building in MarylandBed bugs torment Trump administration's USDA office after an infestation was reported at the George Washington Carver Center in Maryland. E...03 Jun, 2026, 01.36 AM IST
- In 1918, rats escaped from a shipwreck onto a remote island, and more than a century later, scientists discovered an unexpected consequenceA major rodent eradication on Lord Howe Island has revealed a surprising recovery of its insect life. For over a century, rats and mice dev...29 May, 2026, 04.55 PM IST
- Quote of the day by Khaled Hosseini: ‘Children aren't coloring books. You don't get to…’ – ‘The Kite Runner’ author shares a lesson on identity and parentingKhaled Hosseini, author of 'The Kite Runner', cautions against imposing parental dreams on children, likening them to unique individuals, n...27 May, 2026, 09.53 AM IST
- Scientists say this simple thing may reverse brain aging and restore memory in weeksScientists have developed an experimental nasal spray that shows promise in reversing brain aging. This treatment targets chronic inflammat...27 May, 2026, 02.21 AM IST
- Human urine becomes option for farmers in fertilizer supply crunchFrom chicken muck to human urine-based products and microbial solutions, growers are improvising to maintain crop yields. This shift, while...23 May, 2026, 10.31 AM IST
- Forget blood tests, your cell's sugar coat may be the earliest cancer signal we have ever foundA new study shows that over 90% of cancer cases begin with subtle cellular changes before symptoms appear. Scientists now highlight hidden ...19 May, 2026, 06.41 PM IST
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