LifeButterflies evolved 100 million years ago in North America Many researchers thought butterflies first evolved in Asia, but a global genetic analysis suggests they arose in North America, well before the non-avian dinosaurs went extinct 51¶¯Âþ
HumansBone fragment reveals humans wore leather clothes 39,000 years ago A study of an ancient bone from Spain with a strange pattern of notches hints that it was used by early Homo sapiens in Europe as a punch board for making holes in leather 51¶¯Âþ