LifeThe most eye-catching science and tech news stories of 2018 From advances in mind reading and medical procedures to AI law enforcement and CRISPR controversy, 2018 was a year of highs and lows. Here are our highlights News
LifeStone tools hint that our first human ancestors lived all over Africa We thought the first Homo species evolved in East Africa 2.8 million years ago, but stone tools from Algeria suggest our origins may have spanned the continent News