Cause of wheat resistance to scab discovered

A nasty disease that can wreak havoc on wheat crops has been identified by scientists, allowing plant breeders to develop better varieties with higher yields for farmers.

Evolution's toolkit seen in developing hands and arms

Thousands of sequences that control genes are active in the developing human limb and may have driven the evolution of the human hand and foot, a comparative genomics study led by Yale School of Medicine researchers has found

Arctic ice at low point compared to recent geologic history

Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.