Love Can Make You Stronger
A new study links oxytocin, the hormone most commonly associated with social bonding, and the one that your body produces during an orgasm, with muscle regeneration.
Heather Hansman
Heather Hansman's work has appeared in Outside, California Sunday, Smithsonian, and many others. After a decade of raft guiding across the United States, she lives in Seattle.
Redesigning Birth Control in the Developing World
How single-use injectable contraceptives could change family planning in Africa.
Are You Really as Happy as You Say You Are?
Researchers find a universal positivity bias in the way we talk, tweet, and write.