News in Brief
- Astronomy
Starlight robs galaxy of stellar ingredients
Light from newborn stars drives gas out of a distant galaxy, a process that may prevent future stars from being born.
- Animals
Vulture guts are filled with noxious bacteria
Vultures’ guts are chock-full of bacteria that sicken other creatures.
- Physics
Material borders support unusually warm electronic superhighways
The interface between a conductive wafer and an iron-containing film is a high-temperature superconductor, which transmits electrons without resistance.
- Cosmology
Galaxies may be aligned across 1 billion light-years
Powerful plasma jets from cores of galaxies seem to mysteriously align with one another and hint at an unknown mechanism shaping galaxy groups.
- Neuroscience
After injury, estrogen may shield the brain
Estrogen helps to prevent some of the chronic inflammation that occurs after brain injury.
- Life
Norovirus can play protective role in mice
In mice, viral infection can help intestines develop, strengthen immune system.
- Neuroscience
Areas people like to be caressed match up with nerve fibers
A caress in a sweet spot at the right speed activates nerve fibers tied to social touch.
- Neuroscience
Mold may mean bad news for the brain
Living with mold isn’t good for your lungs. A study in mice shows that mold exposure may also cause inflammation that is bad for the brain.
- Planetary Science
Cassini maps depths of Titan’s seas
NASA’s Cassini spacecraft finds that some methane seas on Titan extend more than 200 meters beneath the Saturnian moon’s surface.
- Environment
DDT lingers in Michigan town
Decades after a plant manufacturing DDT shut down in Michigan, the harmful insecticide is still found in neighboring birds and eggs.
- Life
Iguanas’ one-way airflow undermines usual view of lung evolution
Simple-looking structures create sophisticated one-way air flow in iguana lungs, undermining old scenarios of lung evolution.
- Planetary Science
Unseen planets sweep up dust around young star
A large gap in the dusty disk around a young star reveals what our solar system might have looked like 4.6 billion years ago.
