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POPULATION CONTROL
They disappeared from mainland Australia 3,000 years ago; now Tasmanian devils are breeding again, with conservationists hoping their return will reshape ecosystems and suppress predators- 'ECI eliminated 15% of India's population': Ex-CEC Quraishi takes dig at SIR, questions illegal immigrant numbers
- Novartis India to pursue therapy-aligned acquisitions; eyes expansion in Tier 2 and Tier 3 markets
- In 1950, livestock viruses drove the Serengeti's wildebeest herd down to 300,000. Less than a decade later, it surpassed 1.5 million, helping turn the ecosystem into a carbon sinkIn the 1950s, rinderpest and livestock disease pushed the Serengeti’s wildebeest herd to dangerously low numbers. After the virus was broug...05 Sep, 2026, 05.55 PM IST
- In 1905, a Bohemian prince released 5 muskrats into his estate. By 1914, their population had exploded to 2 MillionIntroduced near Prague in 1905, five muskrats quickly proliferated throughout Europe. Utilizing waterways as pathways, these semi-aquatic r...05 Sep, 2026, 12.04 AM IST
- Ladakh settles decades-old Nautor land rights issue; Vests power with Hill CouncilsLadakh's Lieutenant Governor approved new rules for Nautor land regularization. These rules grant proprietary rights for land holdings up t...04 Sep, 2026, 02.55 PM IST
- Dengue season: Mosquitoes taking over your house? These 7 common plants can act as a natural shieldUrban residents are using plants on balconies to repel mosquitoes. Fragrant herbs and flowers are being adopted for their natural repellent...03 Sep, 2026, 09.04 PM IST
- In 2003, scientists targeted invasive fish in the Grand Canyon. By 2006, Rainbow Trout fell from 90% to less than 10% of the catchFor four consecutive years, scientists actively removed invasive fish species from the Colorado River. This strategic initiative led to a n...03 Sep, 2026, 07.33 PM IST
- A synthetic hormone was added to a remote Canadian lake in tiny amounts — then an entire fish population nearly collapsedA synthetic estrogen introduced into a Canadian lake caused a significant ecological shock. This chemical, present in tiny amounts, severel...03 Sep, 2026, 06.02 PM IST
- NHS England chair Dr Penny Dash says Britain should learn from India’s healthcare systemBritain's NHS chair sees India as a future global healthcare model. India utilizes technology to expand healthcare access and reduce costs ...03 Sep, 2026, 11.41 AM IST
- In 1980s, scientists moved 140 sea otters to a California island as an insurance policy; most disappeared, but the population eventually reboundedIn the late 1980s, wildlife officials initiated a relocation effort by moving southern sea otters to San Nicolas Island. Initially, many of...02 Sep, 2026, 11.11 PM IST
- In 2020, DC's DOEE restored 500 feet of stream at Branch Avenue Park. Six years later, a site where the streambed had eroded by more than 15 feet was transformed, opening parkland for peopleA stream restoration project transformed a degraded parkland section in southeast Washington, DC. This initiative improved habitat and reso...02 Sep, 2026, 01.44 AM IST
- In 1963, officials counted just 417 nesting pairs of bald eagles as DDT drove them toward extinction. 44 years later, 9,789 pairs helped secure national symbol delistingThe bald eagle, once near extinction, has made a remarkable recovery. Habitat protection and the banning of DDT significantly aided their p...01 Sep, 2026, 09.39 PM IST
- In 2009, Montana's Big Hole staff began monitoring an invasive plant threatening native habitat. 17 years later, spotted knapweed estimates stood at just 8% of its 2012 peak, showing strong controlLong-term monitoring and control efforts have significantly reduced spotted knapweed at Big Hole National Battlefield in Montana. Monitorin...01 Sep, 2026, 12.56 AM IST
- In 1994, only a few hundred swift foxes remained. 30 years later, reintroduction campaigns restored populations to thousands across the Great PlainsConservationists have successfully reversed dramatic wildlife declines through dedicated efforts. Bold partnerships and investments have br...31 Aug, 2026, 10.04 PM IST
- In 1950, Australia released the Myxoma virus as biological warfare against its invasive rabbit population. The virus killed 99.8% of infected rabbits within two yearsAustralia grappled with a catastrophic rabbit overpopulation that put its ecosystem and economy at risk. To combat this, scientists unleash...31 Aug, 2026, 06.40 PM IST
- Zydus’ Saroglitazar meets primary goal in global Phase II(b) MASH trialZydus Lifesciences said its drug Saroglitazar Magnesium met the primary goal of a global Phase II(b) trial for MASH, a serious liver diseas...31 Aug, 2026, 01.00 PM IST
- In 2001, USDA researchers released salvinia weevils in Texas and Louisiana; by 2003, weed cover had fallen near release sites while untreated controls stayed chokedA tiny weevil has proven to be a powerful ally in the battle against giant salvinia, an invasive aquatic weed. Tested in Texas and Louisian...30 Aug, 2026, 04.40 PM IST
- In 1946, imported beetles were released against toxic St. Johnswort in northern California; by 1957, the weed had fallen to less than 1% of its former abundanceBy the 1940s, European Klamathweed had established itself as a major rangeland threat in California. To combat this invasive species, leaf ...30 Aug, 2026, 02.40 PM IST
- In 2012, Alaska counted 58 pigeon guillemots on Naked Island as mink threatened nests. 11 years later following restoration, their numbers had jumped nearly 400%, reaching 288 birds in 2023Pigeon guillemot numbers on Alaska's Naked Island Group have significantly increased. This recovery followed a multiyear effort to remove i...29 Aug, 2026, 01.06 AM IST
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