Wiping out gut bacteria impairs brain
adminObliterating bacteria in the gut may hurt the brain, too. In mice, a long course of antibiotics that wiped out gut bacteria slowed the birth of new brain cells and…
Fruit fly’s giant sperm is quite an exaggeration
Forget it, peacocks. Nice try, elk. Sure, sexy feathers and antlers are showy, but the sperm of a fruit fly could be the most over-the-top, exaggerated male ornamentation of all.…
Biologist Kate Rubins’ big dream takes her to the space station
When molecular biologist Kate Rubins blasts off from Kazakhstan on June 24, strapped into the Soyuz spacecraft bound for the International Space Station, the trip will cap off seven years…
Francis Crick’s good luck revolutionized biology
When Francis Crick was 31, he decided he needed to change his luck. As a graduate student in physics during World War II, his research hadn’t gone so well; his…