Uncategorized
- Humans
Human-Neandertal mating gets a new date
Late Stone Age interbreeding between Neandertals and people may have left a mark on Europeans’ DNA.
- Space
Superfast star spotted orbiting Milky Way’s black hole
Upcoming gravitational close encounter will test relativity theories in the extreme.
- Life
Duck-billed dino could slice and dice
Ancient animal’s teeth were made of six different tissue types.
- 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.
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- Science & Society
Misconduct prompts most retractions
Two-thirds of scientific papers pulled from journals are for fraud, suspected fraud and plagiarism.
