News
- Health & Medicine
Carotid surgery stands test of time
Surgery to remove blockages from the carotid artery in the neck has lasting effects against stroke over several years and even provides some benefit when it's delayed.
- Astronomy
Neutron stars twist Einstein’s theory
Astronomers may finally have found evidence of a key prediction of Einstein's general theory of relativity—that a spinning object drags space-time along with it.
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Gene find could yield decaffeinated plants
The first published report of cloning a gene for caffeine synthesis raises the possibility of creating decaf plants.
- Chemistry
Additive gives improved mileage, less smog
A new fuel additive, polyisobutylene, decreases automobile emissions by 70 percent while increasing power and mileage.
