HumansButchered bones hint humans were in South America 21,000 years ago Prehistoric mammal bones found at a construction site in Argentina appear to have been cut with stone tools, suggesting that humans lived in the region much earlier than previously thought ¿ìè¶ÌÊÓÆµ
LifeSea slugs discovered working together to hunt in packs Hunting in packs seems like a complex social behaviour, but it isn't limited to large carnivores like wolves. A simple sea slug species teams up to swarm its venomous anemone prey as a group ¿ìè¶ÌÊÓÆµ