News in Brief
- Animals
Remote-controlled rover doesn’t spook penguins
Remote-controlled rovers get close to skittish penguins without bothering them; a chick disguise wins over the wariest birds.
- Paleontology
Some trilobites sported dual digestive tracts
CT scans reveal trilobites with two-lane digestive tracts.
- Health & Medicine
Mini stomachs grown in lab
Clumps of human gastric cells could help researchers study stomach diseases.
- Neuroscience
Brain difference found in people with chronic fatigue
Abnormality found in the brains of a small number of people with chronic fatigue syndrome is intriguing, but needs to be confirmed with more patients.
- Environment
Oil from BP spill may be sitting on seafloor
More than four years after the Deepwater Horizon disaster in the Gulf of Mexico, scientists find that oil is still lingering over a large area on the seafloor.
- Health & Medicine
Daylight savings time tied to more exercise in children
Kids in Europe and Australia are slightly more active in longer-lit evenings, a new study shows.
- Archaeology
Ice Age hunter-gatherers lived at extreme altitudes
Two archaeological sites in the Andes indicate that hunter-gatherers inhabited extreme altitudes earlier than previously thought.
- Paleontology
Mystery fossils belonged to giant ostrichlike dinosaur
Two recently found skeletons reveal that Deinocheirus, first discovered 50 years ago, was the largest-known dinosaur of its kind.
- Humans
Anglo-Saxons left language, but maybe not genes to modern Britons
Modern Britons may be more closely related to Britain’s indigenous people than they are to the Anglo-Saxons, a new genetic analysis finds.
- Physics
Laser tractor beam tugs on beads
A new experiment is the first to construct a tractor beam that can pull objects over long distances with light.
- Genetics
Gene variant helps dog evade muscular dystrophy
A dog that has a mutation causing muscular dystrophy has another genetic variant that appears to counteract the disease.
- Psychology
Majority doesn’t always rule in teen booze use
Having one abstainer as a friend cuts teens’ odds of getting drunk and binge drinking, a study finds.
