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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.

Tech

Cheaper fuel cell catalyst

New catalytic material may lead to more efficient fuel cells.

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.