The Economist @TheEconomist
“There’s a range of ages represented, there’s lots of children’s prints, lots of teenagers prints, and one or two adults,” @SallyR_ISLHE, a hominin paleoecologist explains how the oldest footprints discovered in America can inform science, on “Babbage” https://t.co/VYXCnEWift https://t.co/WV31ffUp7e — PolitiTweet.org
