Science & Technology

Unexamined risks from tar sands oil may threaten oceans

A lack of publicly available information about the chemical composition of fuel mined from tar sands hampers efforts to safeguard marine habitats. A new analysis recommends that officials gain a better understanding of the fuel’s environmental impacts before setting regulations.

Stanford Medicine —

Roeland Nusse wins $3 million Breakthrough Prize

The developmental biologist was honored for helping to decode how Wnt signaling proteins affect embryonic development, cancer and the activity of tissue-specific adult stem cells that repair damage after injury or disease.