How to eat an elephant: Fossil find in Tanzania shows oldest signs of butchering these giant mammals

Imagine a creature nearly twice the size of a modern African elephant, which can weigh up to 6,000 kg. This was Elephas ...

From teeth to thorns: Coincidences shape the universal form of nature's pointed tips

We thought it was evolution, but an experiment with pencils shows that tips like teeth and thorns may owe their rounded shape ...