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PhysicsEinstein’s general relativity reveals new quirk of Mercury’s orbit
A tiny effect of general relativity on Mercury’s orbit has been calculated for the first time.
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Health & Medicine50 years on, vaccines have eliminated measles from the Americas
Thanks to high vaccination rates, measles has mostly disappeared from the Americas.
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OceansOcean heat waves are becoming more common and lasting longer
Over the last 100 years, the world’s oceans have sweltered through a rising number of heat waves.
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MicrobesThis material uses energy from ambient light to kill hospital superbugs
A quantum dot–powered material could help reduce the number of hospital-acquired infections, including those with drug-resistant bacteria.