Christian Cooper and Amy Tan on How Birding Brings Them Joy: a Live Event

Life-extending parasite makes ants live at least three times longer

Astronauts Begin Spacewalk to Install Solar Array Live on NASA TV

A study published in the recent issue of the American Journal of Drug and Alcohol Abuse has found that twins who reside in legal marijuana states are less likely to experience negative consequences from drinking alcohol as compared to their co-twins who live in states where marijuana is illegal.