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 ¿ìè¶ÌÊÓÆµ
HealthHow much water should you drink a day? Your throat will tell you When you’ve had enough to drink, it becomes harder to swallow water – a finding that suggests you shouldn’t force yourself to drink eight glasses a day ¿ìè¶ÌÊÓÆµ