Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Chemistry
Nonstick chemicals linked to infertility
Featured blog: Infertility doubled in women who had high concentrations of commercially produced nonstick chemicals polluting their blood.
By Janet Raloff - Health & Medicine
Chocolate may have arrived early to U.S. Southwest
A new study suggests that people in America’s Southwest were making cacao beverages as early as A.D. 1000.
- Humans
When dreams come true
People see hidden truths in their dreams and use dreams to guide waking attitudes and behaviors, especially when dream content supports pre-existing beliefs, researchers say.
By Bruce Bower - Humans
The Dating Go Round
Speed dating offers scientists a peek at how romance actually blossoms.
By Bruce Bower - Health & Medicine
Excess blood sugar could harm cognition
Chronically high blood sugar levels in elderly people with diabetes seem to contribute to worsened cognitive function, a study shows.
By Nathan Seppa - Health & Medicine
Parenting shapes genetic risk for drug use
A three-year study of black teens in rural Georgia finds that involved, supportive parenting powerfully buffers the tendency of some genetically predisposed youngsters to use drugs.
By Bruce Bower - Health & Medicine
Fingerprints filter the vibrations fingers feel
A new robotics study suggests that the ridges select the right frequencies for light touch
- Earth
‘Science fraud’ alleged in urban lead incident
Virginia engineer charges data were buried or manipulated to hide the lead-poisoning implications to children of water contamination in the nation's capital.
By Janet Raloff - Health & Medicine
Donating a kidney doesn’t hurt long-term health
A survey of donors since the 1960s finds survival rates on par with the general population.
By Nathan Seppa - Humans
Young scientists clear hurdle in national competition
Intel Science Talent Search finalists announced.
- Health & Medicine
I feel your pain, even though I can’t feel mine
A new imaging study looks at how people are able to empathize with others, even when they haven’t experienced something firsthand.
- Earth
Toxic Lead: Watch Out for Schools
Schools may present the "worst case" for encountering lead-tainted water, an engineer reports finding.
By Janet Raloff