News
- Health & Medicine
Dengue virus found in donated blood
Scientists have discovered that 12 units of blood donated in Puerto Rico in late 2005 contained the dengue virus.
- Health & Medicine
Sleeping sickness pill may work as well as injections
The first oral drug for sleeping sickness is showing effectiveness in a trial in central Africa.
- Health & Medicine
Bomb craters mean trouble for islanders
A skin infection in people living on the Pacific island of Satowan stems from swimming in ponds formed from World War II bomb craters there.
- Health & Medicine
Patch guards against Montezuma’s revenge
A patch worn on the skin delivers a vaccine against a form of Escherichia coli that causes traveler's diarrhea.
- Health & Medicine
Additives may make youngsters hyper
Common food colorings and the preservative sodium benzoate have the potential to foster hyperactivity and inattentiveness in children, a new study finds.
- Chemistry
Hydrogen makers
A new bioreactor produces hydrogen hundreds of times as fast as previous prototypes.
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ADHD kids show slower brain growth
A new brain-scan investigation indicates that attention-deficit hyperactivity disorder involves substantial delays in children's brain development.
- Anthropology
Ancient-ape remains discovered in Kenya
Newly unearthed fossils of a 9.8-million-year-old ape in eastern Africa come from a creature that may have evolved into a common ancestor of African apes and humans.
- Health & Medicine
Biohazard: Smoking before or after pregnancy may harm daughters’ fertility
Smoking before pregnancy or during breastfeeding might impair the female offspring's fertility, a study in mice shows.
- Physics
Einstein Unruffled: Relativity passes stringent new tests
The moon's orbit and the dilated time of speeding atoms give new meaning to 'Einstein was right.'
- Health & Medicine
Wrong Way: HIV vaccine hinders immunity in mice
An HIV vaccine hurts, not helps, the immune systems of mice, say scientists.
- Materials Science
Snappy Transition: Venus flytrap inspires new materials
Inspired by the quick-shut action of the Venus flytrap, researchers have designed a patterned surface with microscale hills that can rapidly flip to form valleys.
