LifeOur ancestors had to grow bigger brains to make axes Motion-capture technology proves that early humans were held back by mental faculties, not dexterity, when it came to creating complex tools 51¶¯Âþ
LifeHunter-gatherers cared for first known ancient invalid Too old to hunt, he probably needed a cane and suffered terrible back pain – and other early humans 500,000 years ago must have looked after him 51¶¯Âþ