News
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EarthMain source of airborne pollen varies by month
A 15-year study conducted in the New York City area charts how air concentrations of different types of allergy-causing pollen vary throughout an average year.
By Ben Harder -
Materials ScienceGreenhouse Glass: Squeezing and heating carbon dioxide yields exotic, see-through solid
Researchers have forged solid glass from carbon dioxide.
By Peter Weiss -
Health & MedicineWasting Away: Prozac loses promise as anorexia nervosa fighter
Although often prescribed for people with anorexia nervosa, the popular antidepressant medication Prozac offers no better protection against the potentially fatal eating disorder than placebo pills do.
By Bruce Bower -
PaleontologyAncient webbed masters
Newly unearthed fossils of a 110-million-year-old bolster the notion that all modern birds evolved from aquatic ancestors.