All Stories
- Space
Feasting black hole
A huge gas cloud is being stretched, shredded and destroyed by the black hole at the center of the Milky Way.
- Earth
How Earth’s surface morphs
Partly melted rock acts like grease to help huge masses of the planet’s surface slip up, around and down.
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- Brain
Nature resets body’s clock
After a week in the wild, people went to bed — and got up — earlier.
- Health & Medicine
Explainer: The teenage body clock
Around puberty, a change in the body clock of adolescents and teens makes it hard for them to fall asleep as early as they used to.
- Tech
Sniffing for cancer
New surgical tool offers surgeons speedier diagnosis of tissues that are cancerous.
- Brain
Full moon shortchanges sleep
Lab experiments show people’s sleep suffers for a day or so every month.
- Health & Medicine
Cool Jobs: Sports science
From soccer teams to the balance beam, scientists help athletes perform their best.
- Physics
Liquid undergoes magnetic ‘splits’
The demonstration helps scientists begin how molecules in plants and animals naturally alter their shapes.
- Earth
Fracking waste and quakes
Underground storage of liquid waste from these mining operations can make an area more vulnerable to tremors.
- Health & Medicine
Explainer: What should I know about HIV and AIDS?
Here are some common myths and some less common facts.
