News
- Astronomy
Dust nabbed by spacecraft may be from outside the solar system
NASA’s Stardust mission captured seven particles that probably come from interstellar space, providing researchers with the first direct samples from beyond the solar system.
- Humans
Antibiotics in infancy may cause obesity in adults
By altering the microbiome of infant mice, drugs predisposed the animals to gain fat as adults.
- Health & Medicine
Inflammation-blocking cells might fight often-fatal sepsis
Treatment saved young and old mice from overactive immune response to infection.
By Nathan Seppa - Neuroscience
Busy neurons don’t always draw blood
Study of mice suggests caution in inferring the activity of the brain’s neurons from functional MRI results.
- Life
Animal source of Ebola outbreak eludes scientists
Researchers are trying to determine whether bats or bush meat transmitted the Ebola virus to people in West Africa.
- Life
Grizzly bears master healthy obesity
Tuned insulin signals explain how grizzly bears can fatten up for hibernation in the winter without developing diabetes.
By Meghan Rosen - Oceans
World’s largest ocean dead zone may shrink as Earth warms
North Pacific dead zone may grow smaller, not expand, as climate change weakens Pacific Ocean trade winds.
- Psychology
Bilingual homes may give babies a learning lift
Hearing two languages during the first six months of life linked to an early mental advantage.
By Bruce Bower - Computing
Brain-inspired computer chip mimics 1 million neurons
By processing data in parallel, computer chips modeled after the human brain could perform certain tasks, such as pattern recognition, faster and more energy-efficiently than traditional computers.
By Andrew Grant - Health & Medicine
New tests screen for lethal prion disease
Urine and nasal swabs can detect small amounts of the abnormal prions that cause Creutzfeldt-Jakob disease.
By Nsikan Akpan - Planetary Science
Rosetta spacecraft confabs with a comet
After a 10-year chase, ESA’s Rosetta spacecraft has met up with comet 67P/Churyumov–Gerasimenko.
- Astronomy
Single black hole may be masquerading as a pair
New observations of a recently discovered binary black hole reveal that astronomers may have been seeing double.