News
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EarthBackyard burning is recipe for dioxin
A few rural households burning trash may generate more toxic dioxins than a major, properly operated municipal incinerator.
By Janet Raloff -
Planetary ScienceLife on Europa: A possible energy source
New evidence supports the notion that Jupiter's moon Europa contains an ocean beneath its icy surface, and a planetary scientist has proposed a novel way that Europa could be getting the energy required to sustain life within that ocean.
By Ron Cowen -
AnimalsWhy don’t racing horses fry their brains?
Lumpy sacs bulging out of a horse's auditory tubes may solve the mystery of how such an athletic animal keeps its brain from overheating during exercise.