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OXYGEN CYCLE
In 2017, USGS and MIT researchers dated a magma pulse to 251.9 million years ago. 9 years later, it links to Earth's worst extinction- In 1988, scientists began quantifying the ocean's global productivity. 38 years later, microscopic phytoplankton produce roughly 50% of Earth's oxygen
- Arctic holds 1.3 trillion tonnes of ancient carbon, scientists find what warming does to it
- Don’t throw out clothes stained with sunscreen. Try these simple and easy DIY cleaning hacks firstSunscreen can leave stubborn greasy, yellow or orange marks on clothes, especially around collars and necklines. Fresh stains can be treate...21 Aug, 2026, 11.45 AM IST
- Chemical sector: Although long, there is a way around China trouble; combine 20 stocks to get your portfolio’s chemistry rightFor the chemicals sector, it all depends on a transformation that is still unfolding and will take years to play out. Backward-integration ...17 Aug, 2026, 11.07 AM IST
- Something is thawing beneath Alaska — and the price tag could be $43 trillionAlaska's tundra holds immense frozen carbon stores which are thawing. This thaw releases greenhouse gases, potentially causing significant ...14 Aug, 2026, 08.52 PM IST
- Amazon trees kept a rainfall diary in their rings; it shows wet seasons grew up to 22% wetter while dry seasons lost up to 13.5% of their rainResearchers have discovered that ancient Amazonian trees provide vital climate information through their annual rings. By examining oxygen ...06 Aug, 2026, 07.06 PM IST
- 'Most young people ignore them': Harvard liver doctor warns of 7 early signs of colon cancer as 'cases double under age of 55'Colon cancer is now the leading cause of cancer death for adults under fifty-five. Persistent changes in bowel habits and blood in stools a...01 Aug, 2026, 10.46 AM IST
- In 1989, a Japanese oyster farmer began planting trees in the mountains to save his dying bay; the river cleared, and marine life returnedJapanese oyster farmer Shigeatsu Hatakeyama restored his bay by planting trees. Healthy forests upstream provided essential nutrients for o...29 Jul, 2026, 03.38 PM IST
- Between the 1930s and 1980s, Finland drained 4.7 million hectares of peatland to accelerate forest growth; the exposed peat soils are now a growing source of carbon dioxideFinland drained vast peatlands for forestry after World War II. These drained soils now release significant amounts of carbon dioxide annua...28 Jul, 2026, 04.56 PM IST
- In the early 2000s, researchers found that holding their breath for days helps insects stay aliveMore than twenty years after those early studies attracted attention, scientists continue investigating how insects breathe, survive, and a...27 Jul, 2026, 06.03 PM IST
- Hydrogen-powered trains likely to play niche role in India: ExpertsIndia launched its first hydrogen-powered train, marking a move toward cleaner energy sources. This initiative signifies a shift from fossi...20 Jul, 2026, 01.54 PM IST
- Scientists discover rising heat leaves trees struggling to turn sunlight into energy: 57 million hectares of tropical forests already affected; Heat waves goes beyond photosynthesis limitsRising global temperatures are pushing millions of hectares of tropical forests beyond the heat levels where trees can efficiently carry ou...15 Jul, 2026, 01.13 PM IST
- China's rivers and lakes defied a global oxygen crisis across 17 years, and nearly 1,300 sites, and the surprise is that it had nothing to do with slowing down climate changeFreshwater ecosystems worldwide are facing declining oxygen levels, a critical issue for aquatic life. However, a recent study in China rev...27 Jun, 2026, 04.53 PM IST
- Rice feeds more than half the world, but scientists say current farming is crossing Earth’s safe limits for climate, water, and nutrients, and that makes every bowl part of a bigger planetary balancing actRice cultivation, a global staple, is pushing Earth's natural systems beyond safe limits, particularly concerning climate change, water use...27 Jun, 2026, 04.53 PM IST
- In 1991, 8 people shut themselves for 2 years inside an airtight Arizona dome, and the walls quietly swallowed their oxygen for 475 days before anyone figured out whyEight individuals entered Biosphere 2 in 1991, aiming to live in a self-contained ecosystem for two years. Unexpectedly, oxygen levels plum...25 Jun, 2026, 07.52 PM IST
- What’s behind the giant brown ribbon stretching thousands of miles across the Atlantic ocean?A giant brown ribbon stretching thousands of miles across the Atlantic is revealing how closely Earth's oceans, climate, and ecosystems are...22 Jun, 2026, 07.48 PM IST
- Your shampoo may be cleaning your hair, but is it treating your scalp?Most shampoos do a decent job of cleaning the hair shaft. But if you keep dealing with flakes, an itchy scalp, or that persistent oily feel...15 Jun, 2026, 05.46 PM IST
- Snake dance in space? NASA astronaut captures mesmerising view across Earth from SpaceX spacecraftSnake dance in space: Astronaut Jessica Meir shared a stunning timelapse of the Southern Lights, or aurora australis, captured from a Space...11 Jun, 2026, 01.00 PM IST
- Mineral iron is important in ocean ecosystems: Study03 Aug, 2023, 10.14 PM IST
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