News
- Space
Safe from black holes
The Large Hadron Collider could generate black holes, but they would be too tiny and short-lived to do any harm and would be no more malevolent than the cosmic rays constantly bombarding Earth, two new reports find.
- Health & Medicine
Heel test
A simple, inexpensive ultrasound test of the heel might reveal whether a person is at risk of osteoporosis and should get more extensive tests.
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- Health & Medicine
Curative leaf
Compound in marijuana reduces inflammation without the psychological effects.
- Health & Medicine
Pain, numbness, pain
Some anesthetics not only cause a burning feeling when they're given, but can also increase the pain felt after surgery.
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- Humans
Whaling back to the future
International commission meets after soul-searching on years of dispute.
- Life
When cells go quiet
Connections between nerve cells may be lost when communication between the cells lapses.
- Health & Medicine
Breathe easy
When it comes to heart function, the concentration of pollution in the air may matter less than its chemical makeup.
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- Physics
Left in the cold
An optical trap lets atoms in but not out, and it can be used to study matter at ultracold temperatures.
- Chemistry
Catching your breath
Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.
