All Stories
- Life
Bacteria binged on BP oil but didn’t grow
Researchers suspect the spilled crude didn’t provide a balanced diet.
- Life
Genes & Cells
Lung infections, stress effects in the womb and the genetics of stomach cancer in this week’s news.
- Health & Medicine
Body & Brain
Chilled newborns, statin drugs for stroke, effects of mom’s stress and more in this week’s news.
-
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.
- Earth
Marine microbes prove potent greenhouse gas emitters
Earth’s oceans emit an estimated 30 percent of the nitrous oxide, or N2O, entering the atmosphere. Yet the source of this potent greenhouse gas has puzzled scientists for years. Bacteria — long the leading candidate — can generate nitrous oxide, but the seas don’t seem to contain enough to account for all of the nitrous oxide that the marine world has been coughing up. Now researchers offer a better candidate.
-
- Space
Atom & Cosmos
Trojan asteroids, black hole interactions and a gargantuan watering hole in this week’s news.
- 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.
