Humans
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We summarize the week's scientific breakthroughs every Thursday.
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HumansOur increasingly not-so-little kids
Little kids are meant to get big. Just not too quickly. When overfeeding spurs the girth of young children, youngsters find themselves propelled down the road towards diabetes and heart disease, a new study finds. In just the past decade, for instance, the share of kids with diabetes or pre-diabetes skyrocketed from 9 percent to a whopping 23 percent.
By Janet Raloff -
Health & MedicineSevere sleep apnea tied to cancer risk
A chronic lack of oxygen caused by disrupted rest may explain the association, researchers say.
By Nathan Seppa -
HumansFrom cancer to quantum, teens’ scientific feats celebrated
Winners of the 2012 Intel ISEF show the promise of science for improving the world.
By Devin Powell -
LifeGood cholesterol may not be what keeps the heart healthy
Genetic study suggests that higher levels of HDL aren’t directly responsible for the lower risk of cardiovascular disease seen in population studies.
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HumansRedefining ‘concern’ over lead
The Centers for Disease Control and Prevention announced May 16 that it would no longer designate any particular blood-lead value in children as representing a “level of concern.” Its justification: There is no threshold below which lead exposures are not a concern.
By Janet Raloff -
Health & MedicineCoffee gives jolt to life span
Unlike wine's, coffee's benefits apparently keep increasing well beyond the first two servings.
By Nathan Seppa -
HumansDon’t listen to advice, and other advice from Nobel laureates
Top scientists share stories and words of wisdom with finalists at the Intel International Science and Engineering Fair.
By Devin Powell -
HumansAt ISEF, fusion is hot
A South Carolina teen makes the finals of the 2012 Intel International Science and Engineering Fair by developing a directed neutron source.
By Devin Powell -
Health & MedicineEven moderate noise may harm hearing
Chronic, low-level sound exposure causes deficits in rats.
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LifeGene study links stronger memories, PTSD
New finding may help explain why some people experience psychological problems after traumatic experiences.
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HumansGlobal flavor spices up science fair
The 2012 Intel International Science & Engineering Fair opened in Pittsburgh on May 13, with more than 1,500 high school students attending the weeklong competition.
By Devin Powell -
HumansMaya wall calendar discovered
Classic-era structure displays rare calculations of lunar and planetary cycles.
By Bruce Bower