LifeEurope’s cave bears may have died out because of their large sinuses Plant-eating cave bears vanished when ice spread across Europe – maybe because their large sinuses prevented them chewing meat to adapt to the new conditions News
LifeAustralia's 'marsupial lion' was a meat-ripping, tree-climbing terror First full reconstruction of Thylacoleo carnifex shows it tore apart its prey like a Tasmanian devil, had the bite strength of a lion, and climbed like a koala News