Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Air pollution makes chromosomes look older
Traffic exhaust appears to shorten telomeres, a sign of cellular aging.
- Humans
Ferreting out the bottom line
This is proving an atypical year for the federal budget — and its rollout.
- Health & Medicine
How Down syndrome works against cancer
A surplus of cancer-suppressing protein encoded by a gene on an extra copy of chromosome 21 may explain in part why people with Down syndrome seldom get cancer.
-
- Humans
Science News at ISEF 2009
Highlights from the 2009 Intel Science and Engineering Fair in Reno, Nev.
- Archaeology
Stone Age figurine has contentious origins
A new study suggests that an ivory female figurine from Germany dates to at least 35,000 years ago, but that conclusion has sparked debate over the Stone Age origins of figurative art.
- Humans
Intel ISEF winners announced
Projects on smarter roundworms, glowing bacteria as pollutant detectors and the shared history of bees and nematodes take three top spots; Seaborg winner also named.
- Health & Medicine
Undiagnosed diabetes is costly
A new study quantifies the number of Americans who don't realize they have diabetes — and the costs they pay to deal with it.
- Health & Medicine
‘Super Size’ diet increases insulin resistance
Scientists study effects of a month-long fast food binge, finding that weight gain and insulin resistance may be related.
- Humans
Students present projects at 2009 ISEF
Flatworms, inflatable suits and alternatives to windmills make appearances at this week's international science competition in Reno.
- Chemistry
BPA: On the way out? Sort of
Half-hearted bans won't really protect babies, much less the rest of us.
- Psychology
School-age lead exposures most harmful to IQ
New studies find lead exposure has greater potency in school-age children than in infants and toddlers, including effects on brain volume.
