Uncategorized
- 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.
- Health & Medicine
Elderly benefit from high-dose flu shot
High-dose vaccine may offer people age 65 and older improved protection against the flu.
- Environment
Ups and downs in the quest for clean air
Satellite views reveal good news on U.S. air pollution trends.
- Neuroscience
Prosthesis uses swinging arms to tell legs when to step
Device creates artificial neural connection that could help paralyzed people walk.
- 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.
- 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.
- Health & Medicine
Survey catalogs what is stressing out Americans
Along with work and other responsibilities, health problems are prominent causes of stress.
- Cosmology
Cosmologist’s ‘Cosmic Cocktail’ is a refreshing read
Katherine Freese shares her insights as a scientist studying dark matter and other mysterious components of the universe.
