This tiny bump on an ancient thigh bone has become a big deal for anyone trying to pin down when the human story truly began.
At first glance, the insect trapped in golden resin looked like any other tiny victim of deep time. Only under close ...
A global catalog shows how creatures across the tree of life balance rigidity with flexibility in remarkably consistent ways ...
The story of Prometheus, the pine tree felled in 1964, marked a turning point in the conservation of ancient trees.