More from Ewen Callaway
Explore the latest news, articles and features
Health
Carrying a gun increases risk of getting shot and killed
News
Humans
Our ancestor Ardi walked tall
News
Life
Free-flying cyborg insects steered from a distance
News
Brain implants fail because they cut nerve links
News
Health
Computer detects abuse before doctors
News
Humans
Gamers are more aggressive to strangers
News
Humans
Smacking hits kids’ IQ
News
Environment
Bugs to reveal songbird social lives
News
Health
Gene for memory and IQ gives students low grades
News
Health
For medical secrets, try Facebook
News
Life
Raptorex 鈥� a prototype T. rex
News
Life
Pain-free animals could take suffering out of farming
News