Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Redefining ‘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.
- Health & Medicine
Coffee gives jolt to life span
Unlike wine's, coffee's benefits apparently keep increasing well beyond the first two servings.
- Humans
Don’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.
- Humans
At 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.
- Health & Medicine
Even moderate noise may harm hearing
Chronic, low-level sound exposure causes deficits in rats.
- Life
Gene study links stronger memories, PTSD
New finding may help explain why some people experience psychological problems after traumatic experiences.
- Humans
Global 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.
- Humans
Maya wall calendar discovered
Classic-era structure displays rare calculations of lunar and planetary cycles.
- Health & Medicine
Procedure offers hope in type 1 diabetes
A new approach restored adequate, lasting insulin production in seven of 12 mice tested.
- Health & Medicine
Rare neurons found in monkeys’ brains
Cells linked to empathy and consciousness in primates may offer clues to human self-awareness.
- Humans
Rural life may boost allergy resistance
Country kids had a greater diversity of bacteria associated with increased levels of the anti-inflammatory molecule IL-10.
- Psychology
When good moods go decisively bad
Positive feelings may lead seniors to weigh fewer options and make poorer choices in some situations.
