Livescience.comstaff Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Neanderthals were more susceptible to lead poisoning than humans — which helped us gain an advantage over our cousins, scientists say 2Meat eaten by city-dwelling Americans produces more CO2 than the entire UK — but there are easy ways to slash it3Why does pooping feel so good?4Two spacecraft will pass right through comet 3I/ATLAS' tail51,400-year-old hieroglyphs reveal name of powerful Maya queen
