News
- 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.
- Life
A cougar in Connecticut
Using DNA and trailside cameras, wildlife biologists retrace the 18-month, 2,000-mile journey of a young male cat.
- Life
Wasp has built-in Facebook
An insect species with a tricky social life has a special facility for telling one bug's mug from another.
- Life
DNA switches tied to non-Hodgkin lymphoma
Genetic defects lead to altered activity in other genes.
