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OXYGEN HISTORY
Around 1772, a German-Swedish pharmaceutical chemist discovered oxygen and identified it as 'fire air' but failed to report it in time: How Carl Wilhelm Scheele discovery made a difference?- In the 1950s, J. Desmond Clark found a notched log at Zambia’s Kalambo Falls but died without proving its age; 60 years later, dating revealed the world’s oldest wooden structure at 476,000 years
- In 1864, a bottle of Guinness was brewed under Queen Victoria; 162 years later, divers recovered it from a shipwreck, where its preserved yeast may help recreate the taste of Victorian stout
- In 130 days, deep beneath the Ore Mountains bacteria turned uranium-contaminated mine water into a chemical trap, removing 95% of the dissolved metal and forming a rare compound that can remain stable for decadesDeep underground, bacteria may offer a new answer to uranium contamination. In a 130-day laboratory experiment, microbes fed with glycerol ...17 Aug, 2026, 06.00 PM IST
- Originated 250 millions ago, Crocodiles and Birds closest living relatives yet one flies, apex predator can't, scientists have finally figured out whyReversion to a cold-blooded metabolism may have saved the crocodile lineage from extinction 66 million years ago when an asteroid ended the...17 Aug, 2026, 05.44 AM IST
- Bianca Adler turns Everest heartbreak into history: 18-year-old Australian returns a year after turning back 400 metres from summit to become youngest Australian woman to reach the topBianca Adler, an enterprising eighteen-year-old from Australia, has successfully summited Mount Everest, achieving a long-held dream after ...16 Aug, 2026, 06.20 PM IST
- In 1894, two ships collided on Lake Huron, and Ironton sank; 125 years later, researchers found it upright with all three masts still standingThe Ironton shipwreck, discovered by researchers in Lake Huron in 2019, tells a fascinating story from 1894 when it sank after a collision ...15 Aug, 2026, 02.40 PM IST
- In 2014, scientists compared EPAS1 DNA from 40 Tibetans and 40 Han Chinese and linked a high-altitude adaptation to Denisovan-like ancestry. 12 years later, the finding traced the genetic gift to an interbreeding event about 48,700 years agoIn 2014, scientists found a remarkable clue in Tibetan DNA. They compared the EPAS1 gene in 40 Tibetans and 40 Han Chinese and uncovered a ...13 Aug, 2026, 07.40 PM IST
- In 1884, Louisiana displayed South American water hyacinth for its lavender flowers; within decades, floating mats covered 126,000 Florida acres and blocked waterwaysOriginating in 1884, water hyacinth transformed into a significant nuisance for Florida by the 1950s. This aggressive floating plant overto...13 Aug, 2026, 04.10 PM IST
- Looking for an easy nutrition boost? Celebrity nutritionist recommends 3 powerful seeds for better overall healthCombining different seeds presents an array of essential minerals, healthy fats, and fiber, contributing to overall nutritional balance, cl...11 Aug, 2026, 08.18 PM IST
- In 1943, a German fighter had a US bomber in his sights, finger on trigger button but what happened left everyone stunned 50 years laterA damaged American bomber, Ye Old Pub, faced enemy fighters over Germany. German pilot Franz Stigler chose not to destroy the vulnerable ai...10 Aug, 2026, 09.50 PM IST
- America’s burning ghost town: The Pennsylvania ghost town that has been burning since 1962, left with only 5 residents and a fire that may last another centuryFor more than sixty years, a relentless underground coal fire has consumed Centralia, Pennsylvania, turning it into a ghost town. It began ...07 Aug, 2026, 12.16 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
- In 2005, trees in Georgia revealed hurricane secrets that had been hidden for more than two centuriesIn Georgia, pine trees serve as living archives of historical hurricane activity, revealing data spanning more than 200 years. Innovative r...04 Aug, 2026, 10.01 PM IST
- A 2026 study is challenging researchers established thought on origin of humankind traces back to 539 million years ago. Here's howNearly all of the animal life on Earth now have similar features on left and right sides, as well as a head and an anus. Before the fossils...04 Aug, 2026, 05.43 PM IST
- In 1974, a Spainish rancher imported 2,000 kg of American crayfish from Louisiana. 50 years later, it has become an invasion nobody could stopAn American red swamp crayfish invasion reshaped Spain's Guadalquivir River basin and Doñana National Park. This destructive biological inv...04 Aug, 2026, 02.34 PM IST
- In 1969, California biologist Phil Pister carried endangered Owens pupfish across hazardous terrain in two buckets; in 2024, a seventh refuge population was establishedIn a dramatic rescue in 1969, biologist Phil Pister painstakingly transported the last of the Owens pupfish through challenging landscapes ...03 Aug, 2026, 07.01 PM IST
- IRDAI’s insurance reforms: Why fixing commissions matters more than tracking sellersSome carmakers sell vehicles without a spare wheel, offering just a puncture repair kit instead. Nobody proposes a register of the salesmen...03 Aug, 2026, 12.18 PM IST
- In 1925, Soviet scientist Sergei Brukhonenko developed world's first heart-lung machine 'Autojector' - The remarkable milestone that changed the future of heart surgerySergei Brukhonenko's 1925 Autojector machine pioneered external blood circulation and oxygenation. This invention allowed surgeons to tempo...03 Aug, 2026, 10.45 AM IST
- In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declinesIn 1922, California introduced mosquitofish in hopes of controlling mosquito populations. Although they were initially viewed as a solution...01 Aug, 2026, 05.54 PM IST
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