Health & Medicine
- Life
Scent Into Action
Rodent responses to a whiff of predator may offer clues to instinct in the brain.
- Life
Black mamba bite packs potent painkiller
Scientists find that a component of snake venom blocks pain-sensing nerve signals.
- Health & Medicine
Common heart treatment fails to help
People prescribed beta blockers are no more likely to avoid a heart attack or stroke than those not getting them.
- Health & Medicine
Male DNA found in female brains
Postmortem sampling suggests fetal cells can slip through the blood-brain barrier.
- Tech
Degradable devices vanish after use
Technique combines silicon, magnesium and silk for medical implants, transistors and digital cameras that can melt away.
- Life
Breast cancer gets genetic profile
Insights from new data may help improve treatment for some types of disease.
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- Health & Medicine
Tricks Foods Play
Most people would never equate downing a well-dressed salad or a fried chicken thigh with toking a joint of marijuana. But to Joseph Hibbeln of the National Institutes of Health, the comparison isn’t a big stretch.
- Health & Medicine
Oral MS drug passes tests
A drug called BG-12, similar to a psoriasis medicine used in Germany, supresses multiple sclerosis relapses well, two studies find.
- Health & Medicine
Gamblers go all-in on Ritalin
Risk-taking may rise when healthy people use the stimulant to boost concentration.
- Life
DNA tags may dictate bee behavior
Chemical alterations affect genetic activity but not the genes themselves.
- Health & Medicine
Brain’s white matter diminished in isolated mice
Experiments may offer a biological explanation for the social and emotional problems of neglected children.
