Uncategorized
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LifeNewfound biological clocks set by the moon
Two unrelated marine organisms have rhythms dictated by tides, lunar cycle.
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PlantsHard-shelled seaweed survives by its loose knees
Stringy joints between calcified algae’s segments don’t break easily under repeated stresses.
By Susan Milius -
EarthOxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
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LifeImmune protein explains skin diseases’ link to infection
Molecule called IL-29 protects people with psoriasis from viruses.
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PsychologyMental rotation gears up by age 5 for both boys and girls
Kid-friendly test suggests that the ability to visualize objects from different angles starts early.
By Bruce Bower -
Health & MedicineDextrose rub helps newborns with low blood sugar
Massaging the sugary gel into babies’ mouths may lessen the need for intravenous infusions of glucose, a study shows.
By Nathan Seppa -
AnimalsVampire reality check
A vampire bat drinks one meal a night, and missing just three nights in a row would probably kill the animal.
By Susan Milius -
AnimalsFeedback
Readers respond to "Collision course" and "The tune wreckers" from our September 21 issue, plus some feedback on the new website.
By Science News -
Planetary ScienceComet belt predicted near farthest planet
Observations have confirmed the existence of the Kuiper Belt, first proposed in 1963.
By Science News -
PaleontologyDinosaur dreams dashed
Fans of 'Jurassic Park' may be disappointed (or possibly relieved) to learn that you can’t get ancient DNA from amber.
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EarthBiggest volcano hulks deep
Tamu Massif forms a broad, rounded dome rising about 4 kilometers from the seafloor and stretching 450 by 650 kilometers across.
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Science & SocietyA new look and other fruits of our digital experiments
Science News has reinvented itself many times over the decades, and while our latest incarnation pushes us into the digital future, our mission remains unchanged: to translate the latest advances of science into an easy-to-read form.
By Eva Emerson