News
- Life
Mouse stem cells yield viable eggs
Japanese scientists’ technical feat might provide new insights about protecting and extending human fertility.
- Life
Black mamba bite packs potent painkiller
Scientists find that a component of snake venom blocks pain-sensing nerve signals.
- Animals
Right eye required for finding Mrs. Right
Finches flirt unwisely if they can only use their left eyes.
- Chemistry
Chemical bond shields extreme microbes from poison
Molecular structure explains how ‘arsenic life’ bacteria instead survive by fishing out phosphate from their surroundings.
- Astronomy
Cohabiting black holes challenge theory
The observation of two stellar-mass objects in one globular cluster violates existing astrophysical dogma.
- Humans
Car-crazy kid wins middle school science competition
First place at Broadcom MASTERS goes to 14-year-old who studied automotive aerodynamics.
- 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.
- Science & Society
Misconduct prompts most retractions
Two-thirds of scientific papers pulled from journals are for fraud, suspected fraud and plagiarism.
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- Health & Medicine
Male DNA found in female brains
Postmortem sampling suggests fetal cells can slip through the blood-brain barrier.
- Astronomy
Curiosity goes to the flow
Sent to Mars in search of water and other evidence of habitability, the rover appears to have landed in a dry streambed.
- Tech
Degradable devices vanish after use
Technique combines silicon, magnesium and silk for medical implants, transistors and digital cameras that can melt away.
