Humans
- Fossils
Where do humans come from?
Some scientists propose a newfound South African species as the most likely ancestor of the line that led to humans. But not everyone accepts that this is where it all began.
- Health & Medicine
Veggies: A radiation shield
Here’s another reason to eat broccoli and related veggies: They protect the body’s cells from killer radiation — at least in rats.
- Brain
‘Study drugs’ can be dangerous
The misuse of these ADHD medicines not only constitutes cheating, but they can become addictive and can mess with your head.
- Health & Medicine
Mining medicine from poop
Researchers find a much less yucky way to treat people with a common killer infection.
- Health & Medicine
Sleep therapy for fears
Scared? A nap spent inhaling the proper smell might relieve those fears, a study finds.
- Health & Medicine
Nobel goes for studying ‘school buses’ in cells
A trio of scientists who studied how cells transport materials — think of buses moving kids to and from school — will share a 2013 Nobel Prize.
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- Microbes
Slimming germs
In the gut, the right microbe mix can help keep off extra weight — at least in mice.
- Health & Medicine
Explainer: Where and when did HIV begin?
The virus that causes AIDS may have evolved in monkeys or apes more than a century ago.
- Brain
The upside of cheating
Many people assume that cheaters and thieves will secretly feel shame or guilt. A new study challenges that. It finds that people who cheat without causing anyone much harm actually enjoy a little buzz afterward.
- Brain
Age-old fears perk up baby’s ears
Kids start paying attention to scary sounds when only a few months old.
- Humans
Ancient jewelry from space
Scientists have found beads made out of metal mined from meteorites.
