News from the science and technology of humans.

Science, technology, and life.
May 3 2005 12:01 PM

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News from the science and technology of humans.

Latest Human Nature columns: 1) No steroids in football, but let them eat steak. 2) Why pro-lifers fear the morning-after pill. 3) If steroids are cheating, why isn't LASIK? 4) Tom DeLay's mortal hypocrisy. 5) Terri Schiavo's persistent legislative state. 6) Jews vs. Catholics in the stem cell debate. 7) A plan to create an embryo-like thing. 8) The case for raising the retirement age. 9) What Larry Summers got right and wrong.

A study suggests parents protect attractive children more carefully than unattractive children. At supermarkets, attractive kids were more than three times more likely to be strapped in to the cart. Skeptics said socioeconomic status might account for the difference.

William Saletan William Saletan

Will Saletan writes about politics, science, technology, and other stuff for Slate. He’s the author of Bearing Right.

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An ingredient in multivitamins may accelerate age-related mental decline. Old people who took folic acid in doses equal to or greater than the recommended daily allowance declined more rapidly than their peers did.

Transcendental meditation may prevent death from hypertension. In a study, hypertensive elderly people who used TM were 23 to 30 percent less likely to die than those who relied on other relaxation methods or drugs.

Florida mandated lifelong GPS tracking of child molesters. Proponents say GPS will assist in "warning authorities when a sex offender is someplace he shouldn't be—such as near a school" and "pinpointing of suspects if a child is abducted."

Massachusetts Gov. Mitt Romney filed legislation to resume executions by "relying on science." Death sentences would require "conclusive scientific evidence," an "independent scientific review," and a "no doubt" (rather than "no reasonable doubt") standard of proof.

A study found that self-reported slights of black women strongly correlate with hardening of the arteries. Researchers think the mediating variable is stress. Skeptics suggest the causation may go the other way: Cardiovascular stress makes you perceive more slights.

Hundreds of toads are exploding in Germany and Denmark. A scientist says the wounds indicate crows have pecked out the toads' livers, causing the toads to explode when they puff out in self-defense.

A zebra-donkey hybrid was born. It has a brown torso and striped legs.

Congress debated why football players are getting bigger. Some experts at a hearing blamed steroids; others blamed a selection bias for fat guys. Several warned that genetic engineering of athletes is already possible.

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