Humans

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- Humans
Earth Rocks On
Some rocks in Greenland show that Earth's crust was moving even 3.8 billion years ago.
By Emily Sohn - Health & Medicine
Wake Up, Sleepy Gene
Variation in the length of one gene affects how well you function when short of sleep.
By Emily Sohn - Health & Medicine
Childhood’s long history
Our ancient ancestors had long childhoods, just as we do today.
By Emily Sohn - Health & Medicine
A fix for injured knees
A new way of repairing a common knee injury might someday help athletes recover faster.
- Humans
Stonehenge settlement
The remains of a prehistoric village lie near the legendary stone circle in England known as Stonehenge.
By Emily Sohn - Health & Medicine
Eat Out, Eat Smart
Knowing the number of calories in your restaurant meal can help you make healthier food choices.
By Emily Sohn - Humans
Island extinctions
Many of Australia's largest animals died out after people came to the island continent.
- Health & Medicine
Smiles Turn Away Colds
A good mood and a relaxed attitude help keep colds away.
By Emily Sohn - Health & Medicine
Hot Pepper, Hot Spider
Hot peppers and spider venom can cause the same sort of painful burning sensation.
By Emily Sohn - Health & Medicine
Disease Detectives
This year's top young scientists faced medical challenges in labs at the National Institutes of Health.
By Emily Sohn - Humans
Oldest Writing in the New World
Signs carved into a stone slab may represent the earliest known writing in the Americas.
By Eric Jaffe - Health & Medicine
Getting Enough Sleep
Kids and teens need plenty of sleep but have trouble getting enough.
By Emily Sohn