Health & Medicine
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Health & MedicineTracking obesity
New data suggest that childhood obesity in the United States may have leveled off between 1999 and 2006.
By Nathan Seppa -
LifeFly fountain of youth
Hanging out with young, healthy flies helps fruit flies with a mutation that causes neurodegeneration live longer.
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Health & MedicineBOOK LIST | Guilty Robots, Happy Dogs: The Question of Alien Minds
The alien minds are of animals. The question: Can robots mimic them? Oxford Univ. Press, 2008, 252 p., $34.95. GUILTY ROBOTS, HAPPY DOGS: THE QUESTION OF ALIEN MINDS
By Science News -
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Health & MedicineInsects (the original white meat)
Dining on insects, usually more by choice than necessity, occurs in at least 100 countries — and may be better than chicken for both people and the environment.
By Janet Raloff -
Health & MedicineThe Colorful World of Synesthesia
Science News for Kids explores the sensory explosion that defines the experience of people with this unusual, but not that uncommon nor unwelcome, condition.
By Susan Gaidos -
Health & MedicineVacillating stem cells
Unsuspected, ever-changing variation among stem cells in bone marrow helps determine the development path the cells will follow during differentiation.
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Health & MedicineTrust again
The ability to trust others even after violations of trust is regulated by the hormone oxytocin.
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Health & MedicineNonstick toxicity
By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.
By Janet Raloff -
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Health & MedicineDonor dilemma
Blood donors age 16 or 17 are more apt to faint than older donors.
By Nathan Seppa -
TechI, computer
Bacteria that can "flip pancakes" with their DNA are the first microbes engineered to be living computers.