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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.