News
- Tech
Morphing wheels for beginner bikers
A new bike design for kids morphs from tricycle into bicycle as the rider gets moving, possibly easing the often-fearful starts at riding two-wheelers.
- Tech
Nuke batteries get more practical
Nuclear batteries that will last for decades may have moved closer to reality with the demonstration of a silicon chip riddled with radioactive, tritium-filled pits where radiation is efficiently converted to electricity.
- Health & Medicine
Shot in the gut
A mystifying case of lead poisoning, which may have lasted more than a decade, turned out to have been caused by a swallowed shotgun pellet.
- Tech
Carbon nanotubes drive X-ray scanner
X-ray scanners based on carbon nanotubes could make airport luggage screening and high-tech medical imaging more efficient.
- Health & Medicine
Enzyme stopper combats cancers
An experimental drug combination that inhibits an enzyme that's abundant in tumor cells shows promise against several cancers.
- Planetary Science
Ringing in a new moon
The Cassini spacecraft has spotted a new moon of Saturn, only the second known to lie within the planet's main rings.
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Why making fat is good for you
Making new fat from food intake, as opposed to using stored fat, regulates genes important for blood sugar, fatty acid, and cholesterol concentrations.
- Chemistry
Boxes coated with citronella repel insects
A fragrant grass extract known as citronella oil may deter insects from infesting cartons of food.
- Earth
School buses spew pollution into young lungs
Children riding on school buses inhale heavy doses of diesel fumes, and reducing these emissions could be a cost-effective means of improving their health, a new study suggests.
- Anthropology
Coasting to Asia in the Stone Age
New genetic analyses of people from native island groups in Southeast Asia support the unconventional view that around 70,000 years ago, people living in Africa crossed the Red Sea and moved east along Asia's southern coast.
- Planetary Science
Saturnian moonscape
Planetary scientists have obtained their closest image yet of Epimetheus, one of Saturn's tiny moons.
- Health & Medicine
Insulin may trigger type 1 diabetes
Insulin itself may precipitate the body's autoimmune attack in people with type 1 diabetes.
