LifeChimpanzees eat tortoises after smashing them open on tree trunks A group of chimpanzees in Gabon has figured out how to eat tortoises by cracking open their shells against tree trunks — further evidence of the apes’ ingenuity ¿ìè¶ÌÊÓÆµ
EnvironmentHumans have interfered with most of the world's greatest rivers Long free-flowing rivers are incredibly biodiverse, but they have become increasingly rare and confined to remote regions in the Arctic, Amazon and the Congo basin ¿ìè¶ÌÊÓÆµ