Uncategorized
- Earth
Oxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
- Life
Immune protein explains skin diseases’ link to infection
Molecule called IL-29 protects people with psoriasis from viruses.
- Psychology
Mental 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.
- Health & Medicine
Dextrose 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.
- Animals
Vampire reality check
A vampire bat drinks one meal a night, and missing just three nights in a row would probably kill the animal.
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- Planetary Science
Comet belt predicted near farthest planet
Observations have confirmed the existence of the Kuiper Belt, first proposed in 1963.
- Paleontology
Dinosaur dreams dashed
Fans of 'Jurassic Park' may be disappointed (or possibly relieved) to learn that you can’t get ancient DNA from amber.
- Earth
Biggest volcano hulks deep
Tamu Massif forms a broad, rounded dome rising about 4 kilometers from the seafloor and stretching 450 by 650 kilometers across.
- Science & Society
A 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.
- Life
Killer cells trained on leukemia may protect some people
Immune system seems to remember cancer in people who've never had it, a new study suggests.
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