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Bullseye! Enormous 'bow and arrow' galaxy is unlike anything astronomers have ever seenSpace Photo of the Week Astronomers and citizen scientists have discovered RAD-BAARG, a radio galaxy with a striking bow-and-arrow shape, offering a rare direct view of a galaxy falling into the environment of a galaxy cluster.
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Why does metal stick together in space?Life's Little Mysteries If you push two metal plates together on Earth, nothing happens. In space, they can fuse into one. Here's why.
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How did the Romans build such straight roads?Life's Little Mysteries The Romans have a reputation for building straight roads — but how did they do it?
6 CommentsLife's Little Mysteries -
Early Homo sapiens may have lived in rainforests, new clues suggest — and it could overturn our understanding of human evolutionThe long-held idea that rainforests held a minor role in our species' evolution is changing — and our ability to adapt to these tropical areas may give insight about "what it means to be uniquely human."
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Socotra Archipelago: The Yemeni islands covered with astonishing cucumber, bottle and dragon's blood treesIncredible Places Socotra Archipelago in the Northwest Indian Ocean is home to hundreds of animal and plant species that aren't found anywhere else in the world.
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After taking a medicine for years, a man suddenly had weird changes in his taste that made food disgustingDiagnostic Dilemma A man found that many different foods suddenly tasted terrible to him, and the phenomenon turned out to be a rare side effect of his medication.
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'If there's any country that will do it, it's China': Why is China diverting some of the world's mightiest rivers thousands of miles?Science Spotlight People in China's northern megacities have 74 times less fresh water than the average American — so the Chinese government has built the world's largest water diversion project, with the most ambitious and dangerous route still to come.
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Bizarre 'bull's-eye' cloud rings appear above erupting volcano on Atlantic islandEarth from space A 2021 satellite photo shows an unusual series of concentric cloud rings that appeared directly above an erupting volcano on La Palma in Spain's Canary Islands.
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Woman's infertility may have been caused by rare semen allergyDiagnostic dilemma A woman and her partner had been trying to conceive for some time. It turned out that a rare allergy may have been hindering their attempts.
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