Feature
- Astronomy
Panning Distant Dust
Astronomers are using hundreds of newly detected debris disks found around a variety of nearby stars to hunt for planets and learn about the evolution of our solar system.
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Sound Off
By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.
- Chemistry
Energy on Ice
Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.
- Health & Medicine
A Matter of Time
Some patients are diagnosed with severe heart attacks in or near hospitals that can't offer them the best treatment, but is emergency transport to a better-equipped facility worth the delay?
- Health & Medicine
Striking a Better Bargain with HIV
Because a drug frequently used to block the transmission of HIV from mother to infant may have negative consequences for the mothers, researchers are looking for inexpensive treatments that will benefit both mother and child.
