The largest study of its kind to date estimates that genetics accounts for at most 8–25 percent of variation in whether or not a person reports engaging in non-heterosexual behaviors.
Two research groups demonstrate that in Caenorhabditis elegans, behavioral traits can be passed down through the germline to future generations, even though they aren’t hard-wired.
Antibiotic cycling makes a comeback in the lab; how life scientists can learn from astronauts; napping to conquer fears; deconstructing the cancer R&D crisis