Humans
We summarize the week's scientific breakthroughs every Thursday.
- 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.
- Health & Medicine
Scorpion venom neutralized
An antivenom drug commonly used in Mexico counteracts poisonous scorpion stings, researchers in Arizona find.
- Humans
On imagination, knowledge, art, science and … ET
High schoolers at the Intel International Science and Engineering Fair probe the minds of distinguished scientists during a special Q and A
- Life
For blood stem cells, the force is strong
Blood flow boosts production of blood stem cells, two new studies show.
- Chemistry
Nonstick chemical pollutes water at notable levels
Residues of nonstick chemicals — from unknown sources — appear to be approaching concentrations associated with adverse effects in laboratory animals.
- Health & Medicine
Toothpicks match needles for acupuncture
Sham acupuncture works as well as the real thing for back pain, a study shows.
