News
- Health & Medicine
New in Brief: Body & Brain
Second-guessing cancer treatments, a boyish side to soy and more in this week's news.
- Chemistry
Meteorites contain chemicals linked to life
Space rocks could have delivered DNA building blocks to Earth.
- Life
Rare gene variants linked to ADHD
Missing or added genes cause attention deficit hyperactivity disorder and other disorders, such as autism.
- Health & Medicine
Sleep apnea tied to later dementia
Elderly women who have gaps in their breathing at night have a heightened risk of developing cognitive problems, a study finds.
- Life
Common virus may ride up nose to brain
Almost everyone is infected, but in some people a widespread herpes bug appears to reach the central nervous system by an olfactory route.
- Humans
Taking the measure of a hobbit
Study of fossil skull suggests ancient creature could have been Homo sapiens.
- Life
Bacteria binged on BP oil but didn’t grow
Researchers suspect the spilled crude didn’t provide a balanced diet.
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On the trail of cell navigation
A computerized amoeba might help show the way.
- Space
New hints of saltwater on Mars
Seasonal patterns consistent with briny seeps on the Red Planet, a new study concludes.
- Life
How exercise benefits nerve cells
Activity stimulates production of a neural insulation that moves messages faster.
- Health & Medicine
Urine test may improve prostate screening
Levels of two biomarkers might clarify whether a man with an iffy PSA score needs to get a biopsy, a study finds.
- Materials Science
Now, an invisibility cloak you can see
Physicists have developed a device that can hide objects in visible wavelengths.
