Ethics statement All experiments involving human cell lines were approved by the Harvard University IRB and ESCRO committees. All animal experiments were conducted according to protocols approved by the Institutional Animal Care and Use Committee (IACUC) of Harvard University. All experiments were performed in accordance with relevant guidelines and regulations, and in accordance with informed
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Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. Tools found at an archaeological site near Jubbah, Saudi Arabia (shown here) more closely resemble those crafted by Neanderthals than those made by Homo sapiens, researchers say. (NASA/digitaleye via Alamy) An analysis of stone tools thought
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Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. Credit: Jessie C. Tanner Female Cope’s gray treefrogs (Dryophytes chrysoscelis) struggle to pick the best mates when presented with too much choice. Typically, female treefrogs choose male suitors with the longest calls. When researchers played these
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The β-galactosidase molecule can be targeted by antibodies in experiments. But some studies have erroneously used the antibody that targets the bacterial β-galactosidase instead of the mammalian version.Credit: Laguna Design/Science Photo Library More than 50 studies on cell ageing have apparently used the wrong antibody to identify a key protein in experiments, according to a
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Europe’s brutal heatwaves
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Wearable neck fans,
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