Shooting aliens develops hard skills -- does it also develop a gender gap?
Rats whose DNA changes with grooming, fetuses less damaged by cocaine than tobacco, and more in this week's round up
Surge of male babies in wartime is due to a male gene, says evolution researcher
Plenty of new developments since our columnist last weighed in
Self-confidence and teacher support helps girls succeed at math and science
By observing the seahorse's unusual sex roles, scientists hope to learn more about how they came to be
Sure the sexes learn differently--but at what level?
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.