All Stories
- Space
How a star is born
Researchers have developed a new and accurate simulation of the birth of the first stars in the universe.
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- Climate
Trade affects China’s carbon footprint
Featured blog: Goods exported from China to the United States and elsewhere account for a huge share of the Asian behemoth's emissions of greenhouse gases.
- Health & Medicine
Dopamine could help the sleep-deprived still learn
Sleep loss impairs fruit flies’ ability to learn, just as it does in people. But boosting dopamine in the flies can erase these learning deficits.
- Astronomy
Save the date: solar eclipse
NASA will broadcast and webcast the next total solar eclipse Aug. 1, live from China
- Health & Medicine
Promising HIV gel fails in latest trial
Halted in trials, an anti-HIV gel is ineffective, but may not add to risk of infection, as previously thought.
- Archaeology
Greeks followed a celestial Olympics
A Greek gadget discovered more than a century ago in a 2,100-year-old shipwreck not only tracked the motion of heavenly bodies and predicted eclipses, but also functioned as a sophisticated calendar and mapped the four-year cycle of the ancient Greek Olympics.
- Health & Medicine
Costly Health Care Mistakes
Medical malpractice that many of us won’t recognize as such — or be able to prove — remains too high.
- Planetary Science
Cassini finds liquid ethane on Titan
After years of speculation, planetary scientists have now confirmed that Titan has at least one lake made of liquid ethane.
- Life
How the snake got its fangs
A study of snake embryos suggests that fangs evolved once, then moved around in the head to give today’s snakes a variety of bites.
- Health & Medicine
Calcium’s possible role in Alzheimer’s
A new study in mice finds that plaques associated with Alzheimer’s wreak havoc on calcium’s role in cell signaling.
- Paleontology
Soft tissue in fossils still mysterious
New research suggests modern biofilms could contaminate ancient fossils.
