Scientists have been using ancient DNA to investigate questions about extinct animals since 1984, when researchers recovered two pieces of…
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QUICK FACTSName: Eagle broochesWhat they are: Decorative pins made out of gold, bronze, gems and colored glassWhere they are from:…
Physicists have measured both the momentum and position of a particle without breaking Heisenberg’s iconic uncertainty principle.In quantum mechanics, particles…
QUICK FACTSMilestone: Discovery of penicillinDate: Sept. 28, 1928Where: St Mary’s Hospital, LondonWho: Scottish microbiologist Alexander FlemingOn Sept. 28, 1928, Alexander…
Around 30,000 years ago, a hunter-gatherer left behind what may be a “personal toolkit” in what is now the Czech…
Quick factsWhat it is: Sagittarius B2 (Sgr B2) molecular cloudWhere it is: 25,000 light-years from Earth in the constellation SagittariusWhen…
If you love figs, you may have heard some unsettling lore about them: that every fig hides a wasp, because…
OpenAI’s latest research paper diagnoses exactly why ChatGPT and other large language models can make things up — known in…
We were once promised self-driving cars and robot maids. Instead, we’ve seen the rise of artificial intelligence systems that can…
The age of exoplanets began in 1992, when astronomers detected a pair of planets orbiting a pulsar. Then, in 1995,…