News in Brief
- Astronomy
Clouds may keep exoplanets cool
Even when close to their stars, other worlds could harbor liquid water.
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- Life
Deadly flu virus flourishes in lung cells
H7N9 influenza's clinging ability in humans and birds raises concerns about increased transmission between species.
- Animals
Hawkmoths squeak their genitals at threatening bats
Sounds of an approaching predator inspire ultrasonic rasping in insect prey.
- Animals
Highlights from the Evolution 2013 meeting
Selections from the meeting include a natural fish experiment, terrapins' light displays and why a variety of eye colors persist in people, presented June 21-25 in Snowbird, Utah.
- Archaeology
Pre-Inca empire tomb found untouched in Peru
Gold jewelry, bronze axes and dozens of bodies were among the contents of the Wari empire ceremonial room.
- Life
Genes in wheat relatives help stave off stem rust
Wild and obscure species provide resistance to deadly fungus.
- Planetary Science
Voyager 1 on fast track toward interstellar space
More than 35 years after launch, the probe finally nears the solar system's edge.
- Health & Medicine
Experimental type 1 diabetes treatment shows promise
Findings in a small group of patients hint that a DNA-based therapy might work, but the effects fade after treatment stops.
- Health & Medicine
No link found between vaccines and nerve-damaging condition
Recently immunized people are not at an increased risk of developing Guillain-Barre syndrome, a nerve-damaging condition.
- Health & Medicine
A wobble of the noggin reveals the workings of the heart
Pulse can be measured by examining a video of subtle head motions.
- Animals
Elephant diets changed millions of years before their teeth
The animals fed on grasses long before their molars could grind the tough plants.
