News
-
Materials ScienceSopping Up Heavy Metal: Hybrid material removes mercury from water
A hybrid material consisting of a bacterial protein and a temperature-sensitive polymer proves efficient at removing mercury from contaminated water.
-
AnimalsSkin Chemistry: Poison frogs upgrade toxins from prey
For the first time, scientists have found a poisonous frog that takes up a toxin from its prey and then tweaks the chemical to make it a more deadly weapon.
By Susan Milius -
AstronomyHubble Highlights a Riddle: What’s the source of quick-return comets?
New observations from the Hubble Space Telescope demonstrate that scientists don't know where a major class of comets comes from.