Humans
We summarize the week's scientific breakthroughs every Thursday.
- Psychology
Teen daters pal up to the bottle
Buddies of boyfriends and girlfriends push teens toward or away from booze.
- Physics
Sweet beams: Lasers to measure blood sugar
Cutting-edge use of light might someday prove useful in gauging diabetics’ glucose levels.
- Health & Medicine
The mind’s eye revealed
A new technology uses brain scans to see what a person is watching.
-
- Health & Medicine
B12 shortage linked to cognitive problems
Subtle B12 deficiency plagues a surprising share of the elderly and may harm the brain, studies suggest.
- Health & Medicine
Nose divides sweet from foul
The way scent-detection machinery is laid out suggests that people are born with some innate olfactory preferences.
-
- Life
XMRV tie to chronic fatigue debunked
A virus that was tied to the mysterious syndrome by 2009 research appears to have been a laboratory contaminant.
- Humans
Humans reached Asia in two waves
New genetic data show that some early migrants interbred with a mysterious Neandertal sister group.
- Health & Medicine
Body & Brain
When the brain learns to feel pain, kids’ effect on paternal testosterone and more in this week’s news.
- Humans
BPA: What to make of pollutant-laced kids’ foods
The San Francisco-based Breast Cancer Fund has just released some provocative data on the presence of bisphenol A — a hormone-mimicking pollutant — in every brand-name canned food it tested.
- Health & Medicine
Ringing in ears may have deeper source
Tinnitus results from the brain’s effort to compensate for hearing loss, a study concludes.
