News
- Health & Medicine
Vaccine makes headway against trachoma
An experimental immunization might someday aid public health efforts to counter a blinding disease.
By Nathan Seppa - Chemistry
Cloud seeding by trees could alter precipitation, climate
Some tree pollens shed molecules that can affect precipitation.
By Janet Raloff - Life
Fossil moth reveals colorful hue
Paleontologists deduce how ridges on the creature’s wings would have reflected light.
By Devin Powell - Space
European Planetary Science Conference and AAS Division for Planetary Sciences
News from a joint conference held October 2-7 in Nantes, France.
By Science News - Earth
Solar changes help create cold northern winters
Fluctuations in ultraviolet light can set up frigid, snowy conditions across parts of the Northern Hemisphere.
- Space
Saturn’s rings tell a comet’s tale
Ripples made by a celestial impact 600 years ago can still be seen today.
By Nadia Drake - Life
When snowpack shrinks, elk can binge on aspen
As winters warm in the Rockies, majestic grazers may be threatening iconic Western tree.
By Susan Milius - 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.
By Bruce Bower - 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.
By Devin Powell