Using thousands of genes from 90 animal species, investigators established models suggesting placental mammals diversified across the Cretaceous-to-Paleogene boundary.
Sequencing could help resolve Homo naledi's spot on the hominid family tree, but Jennifer Raff writes at the Guardian that its DNA has been hard to find.
The former commissioner of the FDA has returned to the venture capital firm New Enterprise Associates as a special partner on the healthcare investment team.
Emory University has found that two of its researchers failed to divulge they had received funds from China, according to the Atlanta Journal-Constitution.
