All Stories
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- Space
The solar system’s biggest junkyard
The science of tracking millions of pieces of garbage that orbit Earth is tricky and essential.
- Math
Math and our number sense
Not all math skills are learned in the classroom. Some of them come naturally.
- Health & Medicine
The chemistry of sleeplessness
A brain chemical may help people stay awake even when they are really, really tired.
- Tech
Nanomagnets corral oil
Scientists may have found a clever way to clean up oil spills -- with magnets.
- Health & Medicine
Ear pain, weight gain
Scientists have found a link between frequent childhood ear infections and obesity later in life.
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- Brain
Girls are cool for school
Preschool boys perform better in classes where the girls outnumber them.
- Planets
The two faces of Mars
A single impact might explain why the Red Planet’s surface looks smoother in the north and rugged and rocky in the south.
