News
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LifeSperm swim against the current
Human and mouse sperm both follow upstream currents to the egg.
By Meghan Rosen -
LifeImpact craters may have been a toasty home for early life
The heat generated during a cosmic crash could have nurtured ancient organisms.
By Erin Wayman -
SpaceRadiation ring around Earth mysteriously appears, then dissipates
Space probes detect temporary transition from two radiation belts to three, possibly in response to solar activity.
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PsychologyVideo games take aim at dyslexia
Playing action video games gives a literacy boost to dyslexic children who read poorly, a disputed study suggests.