News
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LifeIn a first, mouse eggs grown from skin cells
Stem cells grown in ovary-mimicking conditions in a lab dish can make healthy mouse offspring, but technique still needs work.
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NeuroscienceOut-of-sync body clock causes more woes than sleepiness
The ailment, called circadian-time sickness, can be described with Bayesian math, scientists propose.
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AnimalsBe careful what you say around jumping spiders
Sensitive leg hairs may let jumping spiders hear sounds through the air at much greater distances than researchers imagined.
By Susan Milius -
LifePlacenta protectors no match for toxic Strep B pigment
Strep B uses a toxic pigment made of fat to kill immune system cells, spurring preterm labor and dangerous infections, a monkey study shows.