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Materials ScienceCeramic rebounds from stressful situations
The ceramic titanium silicon carbide can fully recover after being compressed to a degree that would leave most ceramics shattered and most metals permanently deformed.
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ChemistryA safer antioxidant?
Scientists have developed a synthetic antioxidant that won't, at high doses, foster the tissue damage the compounds are meant to prevent.
By Janet Raloff -
TechWorms may spin silk fit for skin
Silk cocoons could become puffs of valuable human proteins if a new bioengineering method pans out.
By Peter Weiss -
AstronomyMature Before Their Time
Some galaxies were in place and forming stars at a prolific rate when the universe, now 13.7 billion years old, was just an 800-million-year-old whippersnapper.
By Ron Cowen -
PhysicsNew equation fits nitrogen to a T
An elaborate, new equation that yields more accurate values for nitrogen's properties might have a multimillion-dollar impact in the cryogenic fluids industry.
By Peter Weiss -
PhysicsGecko toes tap intermolecular bonds
For scurrying upside down on smooth ceilings and other gravity-defying feats, lizards known as geckos may exploit intermolecular forces between the surface and billions of tiny stalks under their toes.
By Peter Weiss -
Health & MedicineStress and sleepless nights
Insomnia is associated with increases in stress hormones, boosts that persist all day and night.
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Health & MedicineGene causes body-fat disorder
A gene linked to a form of muscular dystrophy also causes a disease that deposits fat unevenly after puberty.
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Health & MedicineHormone treats autoimmune disease
A medication combining the drug prasterone and hormone dehydroepiandrosterone, or DHEA, stabilizes or improves symptoms of lupus.
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Predators shape river world top-down
Hunting and no-hunting zones allow a rare test of the much-debated proposal that big carnivores shape their ecosystems from the top down.
By Susan Milius -
Why did the turtle cross the road?
A survey of painted turtles that perished while trying to cross a highway suggests that the freshwater species need more dry land than expected.
By Susan Milius -
HumansFrom the February 25, 1933, issue
ADAM AND EVE IN THE OLDEST CITY In the oldest city that archaeologists have ever explored they have dug up “Adam and Eve” and the serpent. There they are, the figures of a man and a woman, which have been stamped on clay with a seal. They are a dejected human pair, bent, and stumbling […]
By Science News