TechnologyRobotic underwater miners can go where humans can't This aquatic drone can crawl down abandoned pits to get the treasure that’s too dangerous for humans to reach, which may mean a future with fewer new mines 51¶¯Âþ
LifeFemale dolphins have weaponised their vaginas to fend off males Bottlenose dolphins have evolved complicated, folded vaginas that make it difficult for unwanted males to fertilise their eggs 51¶¯Âþ