Access more multimedia files here. A few years ago, Scott Villa of Emory University had a problem. Then a graduate student at the University of Utah, he was stumped with an issue never addressed in school: How does one film lice having sex? Villa and University of Utah biologists had demonstrated real-time adaptation in their […]

Mathematical simulations at the University of Utah show parasitic flies may spell extinction for Darwin’s finches in the Galapagos Islands, but that pest-control efforts might save the birds that helped inspire the theory of evolution. The new study “shows that the fly has the potential to drive populations of the most common species of Darwin’s […]