Humans
- 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.
By Nathan Seppa - Humans
Mideast violence goes way back
One-quarter of skulls excavated in troubled region display injuries from clubs or other weapons.
By Bruce Bower - 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.
By Janet Raloff - 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.
By Janet Raloff - 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.
By Janet Raloff - 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
By Laura Beil - Humans
Early Americans took two tool tracks
Creators of separate spearhead styles colonized North America more than 13,000 years ago.
By Bruce Bower - Humans
BLOG: Humans’ not-so singular status
Reporting from the Euroscience Open Forum in Dublin, editor in chief Tom Siegfried discusses how neuroscience and artificial intelligence research are challenging ideas of selfhood and humankind's specialness.
- Health & Medicine
Proliferation protein goes rogue in lung cancer
Rac1b might promote malignancy, could be a target for treatment.
By Nathan Seppa