Humans
Sign up for our newsletter
We summarize the week's scientific breakthroughs every Thursday.
- 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.
By Janet Raloff - 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.
By Janet Raloff - Health & Medicine
Scorpion venom neutralized
An antivenom drug commonly used in Mexico counteracts poisonous scorpion stings, researchers in Arizona find.
By Nathan Seppa - 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.
By Janet Raloff - Health & Medicine
Toothpicks match needles for acupuncture
Sham acupuncture works as well as the real thing for back pain, a study shows.
By Nathan Seppa - Humans
Intel International Science and Engineering Fair kicks off
Young scientists descend on Reno in hopes of winning scholarships and other prizes.
- Life
Misread epigenetic signals play role in leukemia
A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.
- Animals
Controversial polar bear rule stands
Creature’s plight remains separate from decisions on greenhouse gas emissions.
By Susan Milius