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.
Fights over the Colorado River's most significant tributary are longstanding, intractable, and only getting worse.
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.
How single-use injectable contraceptives could change family planning in Africa.
Researchers find a universal positivity bias in the way we talk, tweet, and write.