LifeHuman ancestors got a grip on tools 3 million years ago The shape of fossil hand bones found in Africa suggests the first toolmakers walked on Earth before humans did News
ÎçÒ¹¸£Àû1000¼¯ºÏI'm tapping the housefly's genome to fight disease The common housefly spreads hundreds of diseases, but unravelling its genome should help us make the world healthier, says entomologist Jeffrey ScottOpinion