News in Brief
- Health & Medicine
TV watching linked to low sperm counts
Couch potatoes’ reproductive health may suffer.
- Earth
Indonesian mud eruption will soon die out, scientists predict
Spewing muck since 2006, volcano will calm to a sputter by 2017.
- Life
Nerve stem cells treat gut disorder in mice
Nerve stem cell therapy treats gut disorder by connecting to nervous system.
- Life
As fish watch prey, researchers watch fish’s brains
Genetically engineered neurons allow researchers to watch fish brains as they track prey.
- Humans
Professional athletes have superior perception
Soccer, rugby, hockey players better ignore distractions to follow motion with their eyes.
- Life
Gene variant makes flu particularly dangerous
People with one form of IFITM3 are more likely to develop pneumonia.
- Health & Medicine
Signs of trauma documented in living brains
Molecular signature of injury seen in scans of retired NFL players.
- Health & Medicine
Brain region associated with selfishness
In three women, damage to basolateral amygdala prompted unusual generosity.
- Humans
Ancient human DNA suggests minimal interbreeding
Genetic analysis indicates Stone Age people mated infrequently with Neandertals and other close relatives.
- Life
Genes tied to body mass set point
Genes may help determine why some mice (and perhaps people) become obese when eating a sugar- and fat-laden diet.
- Animals
Integrative and Comparative Biology
The hormonal roller coaster that is male pipefish pregancy and collision safety features for flying insects.
- Earth
Chemical tied to intergenerational obesity
Mice ingesting the compound tributyltin pass effects to grandchildren.
