Health & Medicine
- Genetics
Genetic mutations may explain a brain cancer’s tenacity
DNA damage may transform adult cells in glioblastoma, making the malignancy harder to kill.
- Health & Medicine
Body & Brain
Blood pressure decreases with apnea treatment, vitamins fail to protect against colorectal cancer, and more news from this week’s medical journals.
By Nathan Seppa - Health & Medicine
Tomato compound might prevent some strokes
Men with high blood concentrations of lycopene are less vulnerable, a study finds.
By Nathan Seppa - Life
Pulsing blob makes memories sans brain
Slime molds create a GPS navigation system based on their own gooey trails.
By Susan Milius - Earth
Fish in mom’s diet may alter kids’ behavior
Eating fish that's low in mercury during pregnancy may reduce the risk that a woman's child shows signs of attention-deficit/hyperactivity disorder.
By Janet Raloff -
- Life
Scent Into Action
Rodent responses to a whiff of predator may offer clues to instinct in the brain.
By Meghan Rosen - Life
Black mamba bite packs potent painkiller
Scientists find that a component of snake venom blocks pain-sensing nerve signals.
By Tanya Lewis - 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.
By Nathan Seppa - 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.