More from Alyssa Botelho
Explore the latest news, articles and features
Health
Ancient hunter-gatherers had rotten teeth
News
Health
Genetic test screens embryo without disturbing it
News
Life
Start-stop traffic helps penguin huddles grow
News
Health
Look to mosquito smell neurons to find new repellents
News
Environment
Bubble-blowing humpback whales grouped by genetics
Regulars
Health
Oxygen drop makes people with spine injury more mobile
News
Life
Fire ants writhe to make unsinkable rafts
News
Space
Close-up of 12-billion-year old Messier 15 star cluster
Regulars
Technology
Who knew GPS could look so beautiful?
Regulars
Health
Vastly diluted bleach may have protective effect on skin
News
Health
Options running out for the US death penalty
News
Health
Listen up: new tool to help people who are locked in
News