LifeSome of our Stone Age tools may just be crafty monkey throwaways Capuchins make stone flakes that could be mistaken for hominin tools, but they do so by accident in search of mineral dust they lick, perhaps as a medication News
EarthUS presidential candidates being let off hook on climate change The world's most pressing problem is being all but ignored by moderators in the TV debates between Donald Trump and Hillary Clinton, says Matthew Nisbet Comment