Rethinking planetary climate controls

Yale researchers have provided a new explanation for why Earth's early climate was more stable and warmer than it is today.

Deadly bacteria stiff-arm the immune system


Why innovation thrives in cities


New hypothesis proposed on why some seeds are hard

Hard seeds are prevented from germinating by a water-impermeable seed coat, and for many years this has been considered to be a dormancy mechanism. Scientists from Kew, the University of Bergen and the University of Sheffield ...

How the ice ages ended


page 1 from 2