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Killer yeast win epic battle of toxins
Researchers have discovered the molecular mechanism that keeps a yeast cell programed by a virus to spew a toxin that kills neighboring yeast cells from killing itself.
- Earth
A 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.
- Earth
Blood 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.
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The statements made concerning the effect of vitamin E on the immune system in cattle don’t concur with the bulk of the data available.
