Bacteria defy Darwin by sacrificing for community
Researchers continue to prove embryos don’t have to die for patients to live
Geneticists in Moscow debate the ethics of modifying human embryos
FDA warns about a cancer-causing agent in the popular heartburn medication
Climate activism takes center stage
The EPA plans to eliminate some animal testing by 2020
Scientists turn to editing sperm to get around criticism of embryo research
Study attempts to tie homosexual behavior to genetics
Separating fact from fiction about the rainforest fires
