Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Altruistic kidney donors help many
Mass exchanges result in more kidneys for difficult-to-match recipients.
- Humans
Blog: Remembering Sally Ride
Astronomy writer Nadia Drake looks back on the astronaut’s reach.
- Earth
Night lights may foster depression
In animals, chronic dim light triggers brain changes that disappear with the return of nightlong darkness.
- Health & Medicine
Sperm analyzed, one by one
A close look at the sex cell’s DNA reveals basic molecular processes.
- Health & Medicine
Egg in tiny doses curbs allergy
Giving allergic kids minuscule bits of problem food and gradually increasing it over many months wipes out reactions in some, a study finds.
- Humans
Mideast violence goes way back
One-quarter of skulls excavated in troubled region display injuries from clubs or other weapons.
- Tech
FDA bans BPA in baby bottles, cups
From now on, U.S. manufacturers may no longer produce polycarbonate baby bottles and sippy cups (for toddlers) if the clear plastic had been manufactured from bisphenol A, a hormone-mimicking compound. Long-awaited, the announcement is anything but a bold gesture. The Obama administration decided to lock this barn door after the cow had died.
- Humans
Putting BPA-based dental fillings in perspective
A new study finds that children who have their cavities filled with a white composite resin known as bis-GMA appear to develop small but quantifiable drops in psychosocial function. To put it simply: Treated kids can become more moody, aggressive and generally less well adjusted.
- Humans
Afghanistan on 240 incidents a week
A computer simulation forecasts insurgent activity by analyzing U.S. military logs released on WikiLeaks.
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- Health & Medicine
White dental fillings may impair kids’ behavior
Effects seen only for fillings that used bis-GMA, a resin derived from bisphenol A.
- Health & Medicine
Catching a Cancer
The official figure for the percentage of human cancers caused by viruses is around 20 percent — but most experts concede that number is largely an educated guess
