News
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EarthA foamy threat to ozone
Shredding the foam insulation in discarded refrigerators can release significant quantities of chlorofluorocarbons, which pose a threat to Earth's protective ozone layer.
By Janet Raloff -
EarthBlood points to pollution’s heart risks
As airborne concentrations of fine dust particles climb, so do three blood factors that increase an individual's heart attack risk.
By Janet Raloff -
Health & MedicineVitamin E benefits cattle, too
Vitamin E aids immune system function and prevents growth declines in cattle, offering an alternative to potentially dangerous use of low-dose antibiotics.
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Health & MedicineInsight into preemies’ blindness
Lack of a growth factor called IGF-1 has been implicated as a trigger for a disease that can cause vision problems, including blindness, in premature babies.