Amber fossil links earliest grasses, dinosaurs and fungus used to produce LSD
A perfectly preserved amber fossil from Myanmar has been found that provides evidence of the earliest grass specimen ever discovered - about 100 million years old - and even then it was topped by a fungus ...
Differences in feathers shed light on evolution of flight
The asymmetrical flight feathers of their wings are among the most distinctive features of living birds. But how are these feathers actually constructed, and when did they first appear in evolutionary history?