News
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ChemistryBuckyballs at Bat: Toxic nanomaterials get a tune-up
The soccer-ball-shaped carbon molecules known as buckyballs are toxic to human cells, yet coating the particles can switch off their toxicity.
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Planetary ScienceTiny scope spies distant planet
Using a telescope not much bigger than Galileo's, astronomers have discovered a planet orbiting a star 500 light-years from Earth.
By Ron Cowen -
Health & MedicineCoffee’s curious heart effects
Very high or low daily consumption of coffee appears to pose far more of a heart risk than drinking moderately.
By Janet Raloff -
PhysicsMarrying matter and light
Physicists have created circuit components that, in a manner analogous to atoms, meld with light, opening new ways to study fundamental light-matter interactions.