All Stories
- Health & Medicine
Reviving A Tired Heart
With a bit of encouragement, the life-giving muscle may renew itself.
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- Life
When snowpack shrinks, elk can binge on aspen
As winters warm in the Rockies, majestic grazers may be threatening iconic Western tree.
- Humans
Really bad year for Arctic sea ice
On October 4, the National Snow and Ice Data Center posted information on its website indicating that the summer melt of sea ice in the Arctic, this year, approached — but did not quite match — the record set four years ago. A team of European scientists now concludes NSIDC underestimated those Arctic losses.
- Life
Stem cell advance uses cloning
A method that uses eggs to do genetic reprogramming is successful in humans.
- Humans
Inca takeovers not usually hostile
Skeletal evidence suggests that war was not the answer for Inca imperialists.
- Humans
Study recalibrates trees’ carbon uptake
Photosynthesis appears to be somewhat speedier than conventional wisdom had suggested, a new study finds. If true, this suggests computer projections are at risk of overestimating the potential for trees to sop up carbon dioxide, a major greenhouse gas.
- Life
Heart disease has its own clock
Disrupting circadian rhythms in mouse blood vessels hardens arteries, suggesting that timing malfunctions in organs may cause disease.
- Chemistry
Unusual crystal patterns win chemistry Nobel
First rejected as impossible, the discovery that atoms can pack in subtly varied patterns forced revisions of fundamental concepts.
- Humans
Surf zone study earns young scientist first place
Top winners selected from 30 finalists who traveled to Washington, D.C., to compete in the inaugural Broadcom MASTERS program for middle school students.
- Humans
Arctic ozone: ‘Hole’ or just not whole?
This past spring, the Arctic stratosphere’s ozone layer suffered unprecedented depletion. But whether the record loss constituted a “hole” depends on which experts you consult.
