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Latest news
AI hallucinates more frequently the more advanced it gets. Is there any way of stopping it?
OpenAI's most advanced reasoning model is smarter than ever — but it hallucinates more than previous models, too.
Women likely ruled in Stone Age China, DNA analysis of 4,500-year-old skeletons reveals
Genetic analysis of 60 people buried in a Stone Age cemetery has revealed two clans headed by women that spanned 10 generations.
'Dreadful danger for all mankind': Einstein's powerful anti-war letter goes up for auction
A fiery letter written by Albert Einstein in 1954 is going to auction. The letter details Einstein's thoughts on his part in developing atomic weapons, and hails Mahatma Gandhi as a political genius.
Medieval gold ring found in castle in Slovakia has rare purple sapphire imported from Sri Lanka
An analysis of a 700-year-old ring reveals a unique reddish-purple sapphire set in 18-karat gold with a lion decoration.
Humanity could be just 3 years away from crossing a dire climate threshold, report warns
Record carbon emissions mean that the planet's carbon budget could be exceeded in as little as three years, according to a new report.
DARPA smashes wireless power record, beaming energy more than 5 miles away — and uses it to make popcorn
The feat has significant applications for military purposes and space-based solar power.
Plants have a secret, second set of roots deep underground that scientists didn't know about
A global analysis deep in soil found 20% of plants studied have an unexpected deeper set of roots more than 3 feet underground.
Hells Canyon caves reveal unexpected finding about America's deepest gorge
About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million years ago, new research estimates.
Massive 'heat dome' is bringing 'extremely dangerous' temperatures to the eastern half of the US
Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and eastern U.S. states.
Summer solstice arrives in North America
The summer solstice, the longest day of the year in the Northern Hemisphere, falls on June 20 this year in North America, and June 21 in Europe.
Microsoft breakthrough could reduce errors in quantum computers by 1,000 times
Microsoft scientists developed a 4D geometric coding method that reduces errors 1,000-fold in quantum computers.
Mathematicians discover a completely new way to find prime numbers
Using a notion called integer partitions, mathematicians have discovered a new way to detect prime numbers while also connecting two areas of math in an unexpected way
Ketamine may treat depression by 'flattening the brain's hierarchies,' small study suggests
Ketamine leads to increased communication between areas of the brain that don't typically engage with each other, new research suggests.
'World's most difficult jigsaw puzzle': Archaeologists piece together thousands of shattered fresco blocks from ancient Roman villa
Archaeologists found thousands of pieces of an ancient Roman painting, which features intricate designs and ancient graffiti.
Mars cozies up to one of the brightest stars in the sky in 'mind-blowing' conjunction photo
A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from Earth.
Viking Age burial of chieftain with 'enormous power' found in Denmark — and he may have served Harald Bluetooth
Archaeologists were surprised to find 30 Viking Age burials in Denmark, and even more surprised by the extravagant grave goods found within them.
