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EARLY EARTH OXYGEN
Scientists may have got one of Earth’s biggest ancient mysteries wrong: A 2-billion-year-old carbon clue thought to reveal a global change may actually point to magma, methane and microbesResearch from Caltech indicates that a significant carbon signal may arise from local geological processes instead of global events. The st...- In 1993, a few bison were introduced to America's dying grasslands. Now, thousands of those beasts, once hunted to near extinction, are helping bring the prairie ecosystem back to lifeOklahoma's Tallgrass Prairie Preserve is restoring bison populations and their habitat. Bison grazing and wallowing create favorable condit...
- AI set to wipe out humans? Andrew Ng breaks his silence on artificial intelligence doomsday warnings as tech leaders debate whether superintelligent machines could become uncontrollableAI pioneer Andrew Ng calls extinction warnings science fiction, not science. He urges industry focus on practical engineering and cybersecu...
- In 1998, scientists sent 4 pregnant swordtail fish and 200 babies into space; near the end of the mission, the fish suddenly began swimming in continuous loopsIn an unprecedented experiment in 1998, swordtail fish were launched into orbit on the space shuttle Endeavor to explore how life persists ...
- In 1873, a French astronomer invented a unique device 'photographic revolver' which could automatically capture a sequential series of photographsIn 1873, a French astronomer invented a unique device 'photographic revolver' which could automatically capture a sequential series of phot...
- The moon has water, but can it support a city? Scientists warn lunar settlements could run dry despite billions of tonnes of iceLunar exploration is transforming with plans for permanent settlements and industries. Solar power offers a strong foundation for a lunar e...
- In 1971, Apollo 14 brought back the 20-pound rock Big Bertha; in 2019, scientists found a fragment that likely came from Earth, excavated about 4 billion years agoA lunar rock collected by Apollo 14 astronauts may contain a fragment of Earth. This tiny piece of rock is approximately four billion years...
- In 1994, NASA flew four Japanese red-bellied newts on STS-65 for nearly 15 days; two adults died, but 32 newt eggs hatchedSpace Shuttle Columbia's 1994 mission studied animal reproduction in zero gravity. Four red-bellied newts and medaka fish were part of biol...
- Trump's Moon claim isn't a joke. A lunar power struggle has begunTrump's "The Moon is Ours" post signals emerging lunar geopolitics. Nasa's Artemis program plans a permanent lunar presence, focusing on re...
- In 1766, British physicist isolated and described hydrogen triggering the evolution of science and modern green technology: What Henry Cavendish discovered?In 1766, British physicist isolated and described hydrogen triggering the evolution of science and modern green technology. Henry Cavendish...
- The first rocky planets may have formed just 100 million years after the Big Bang, scientists say — and they could have been surprisingly Earth-likeNew simulations indicate rocky planets may have formed just 100 million years after the Big Bang. Massive stars exploded, scattering heavy ...
- In 2021, NASA grew Hatch chile peppers on the International Space Station; over 137 days, the plants produced harvestable fruit with unusually straight stemsIn 2021, NASA astronauts successfully cultivated Hatch chile peppers aboard the International Space Station, observing that the lack of gra...
- In 1970, NASA launched two bullfrogs into orbit to study vestibular function; over six days, the animals provided hours of data on balance in weightlessnessIn 1970, an extraordinary experiment sent two frogs, Pierre and Tee-Nom, into orbit around Earth. Researchers closely examined their inner ...
- 415 million years ago, giant scorpions the size of a Golden Retreiver prowled Britain — and its story is now rewriting prehistoric historyScientists identified Praearcturus gigas as the largest known scorpion, measuring one meter long. This ancient predator lived approximately...
- A 4.4-billion-year-old Zircon grain found in Western Australia may reveal how early earth took shape – The oldest known terrestrial mineral grain offers clues about earth’s first crust, surface water and the moon’s formationA zircon crystal found in Australia, dating back 4.4 billion years, indicates that early Earth was likely to have been covered in water. Ad...
- In 1972, NASA sealed 3 astronauts inside a 20-foot chamber for 56 days to rehearse Skylab; the ground experiment exposed hardware and medical problems before launchIn 1972, three astronauts conducted a remarkable ground simulation, residing in a sealed chamber for a staggering 56 days. This experiment ...
- In 1962, NASA packed 22,900 gallons of water into a Saturn I rocket and deliberately released it 65 miles above Earth to see how water behaved in the upper atmosphereNASA scientists have long explored recycling resources for extended space travel. Plants and microorganisms could help regenerate vital sup...
- In 1994, the space shuttle Discovery held a Wake Shield disk behind it while still attached to its robot arm; the facility produced 5 good semiconductor filmsIn 1994, the space shuttle Discovery transported the Wake Shield Facility, designed to establish an ultra-clean vacuum environment. This gr...
- 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 extinctionEarth faced its worst extinction event around 252 million years ago. Volcanic activity in the Siberian Traps is the leading explanation for...
- In 1988, scientists began quantifying the ocean's global productivity. 38 years later, microscopic phytoplankton produce roughly 50% of Earth's oxygenScientists began measuring the ocean’s global productivity in 1988, revealing a hidden force behind Earth’s oxygen cycle. Nearly four decad...
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