News
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PhysicsTwice-charmed particles spotted?
Exotic cousins of protons and neutrons known as doubly-charmed baryons may have made their laboratory debut.
By Peter Weiss -
AgricultureKiller bees boost coffee yields
Even self-pollinating coffee plants benefit substantially from visits by insect pollinators.
By Janet Raloff -
Caregivers take heartfelt hit
Older persons experience elevated systolic blood pressure for at least 1 year after a spouse with Alzheimer's disease enters a nursing-care facility or dies.
By Bruce Bower -
Materials ScienceSpring in your step? The forces in cartilage
Researchers are uncovering the role of molecular forces in cartilage's ability to resist compression.
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Health & MedicineAppetite-suppressing drug burns fat, too
An experimental drug seems to assail obesity through dual biological actions.
By Ben Harder -
ChemistryIons on the Move: Theory of hydroxide’s motion overturned
New computer calculations reveal that a long-held belief about the hydroxide ion's movement in water is wrong.
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Health & MedicineDiabetes problems aren’t just old news
Children who developed a type of diabetes that normally occurs only in adults suffer kidney failure, miscarriages, and death in their 20s.
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Health & MedicineAutopsies suggest insulin is underused
Autopsy studies indicate that the insulin-producing cells of people with type II diabetes are damaged.
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Autism leaves kids lost in face
Brain-wave evidence indicates that 3- to 4-year-old children diagnosed with autism can't tell their mothers' faces from those of female strangers.
By Bruce Bower -
TechPutting squish into artificial organs
Artificial organs and tissues may someday feel more like the real thing if a new, rubbery polymer supplants mostly stiff materials available today for tissue engineering.
By Peter Weiss -
Health & MedicineCell-Phone Buzz: Contradictory studies heat up radiation question
A new long-term animal study of cell-phone radiation suggests that emissions don't cause cancer, but studies by a second team hint that cell phones may cause damage in other ways.
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AnimalsWasp Painting: Do insects know each other’s faces?
A researcher who dabbed tiny stripes on the faces and abdomens of paper wasps says that she's found the first evidence that the insects can recognize individuals by their markings.
By Susan Milius