News
- 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.
- 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.
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- 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.
- Space
Cosmic dustup settles
Two new studies document how crystalline dust forms in the hot, inner part of a young star’s planet-making disk and then gets incorporated into the cold, comet-forming region billions of kilometers away.
- Chemistry
How RNA got started
Scientists identify chemical reactions that could be responsible for the origin of life.
- 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.
- Humans
Intel International Science and Engineering Fair kicks off
Young scientists descend on Reno in hopes of winning scholarships and other prizes.
- Space
Final Hubble repair mission begins
The final mission to repair and upgrade the Hubble Space Telescope lifted off May 11.
