News
- Humans
Chemists distinguish between gunshot residue from various firearms
Analytical technique could lead to better crime scene investigation.
- Health & Medicine
Extreme eaters show abnormal brain activity
Seeing images of food revs up reward areas in the obese and slows them down in severely underweight people, a brain scan study shows.
- Life
Stem cell treatment spurs cartilage growth
A small molecule called kartogenin prompts the manufacture of lost connective tissue in mice.
- Paleontology
T. rex has another fine, feathered cousin
A trio of fossils from China may tip the scales on dinosaurs’ public image.
- Life
Fruit fly biorhythms differ indoors and out
Response to daily cues of real life suggest lab findings may need a second look.
- Psychology
Autism rates rise again
Related developmental disorders affect 1.1 percent of U.S. 8-year-olds.
- Life
Genes are no crystal ball for disease risk
For most conditions, knowing a person’s entire genetic makeup won’t help predict his or her medical history.
- Life
Virus proves protective against lupus in mice
A mouse version of Epstein-Barr seems to prevent, not trigger, symptoms of the autoimmune disease.
- Life
Old cancer drugs offer new tricks
Drugs that reboot genetic programming make tumor cells more susceptible to cancer-killing therapy.
- Health & Medicine
Jolt to brain aids language recovery
Stroke patients treated with brain stimulation show improvement in language skills.
- Humans
From the ashes, the oldest controlled fire
A South Africa cave yields the oldest secure evidence for a blaze controlled by human ancestors.
- Astronomy
New data support Einstein on accelerating universe
New measurements of distant galaxies support Einstein’s cosmological constant as the explanation for the universe’s accelerating expansion.
