They absorb light that would otherwise be picked up by lone chlorophyll molecules, thus preventing damage during the period of nutrient recovery.
Once the focus shifts from stopping the leak to sopping up the oil, a big concern will be preventing damage from the cleanup effort itself.
Right now, doctors have only one way of preventing the damage from ischemic strokes, which are by far the most common kind.
Although the ice-minus bacteria proved safe and effective at preventing frost damage in field trials, further research and commercialization were discouraged by the combination of onerous government regulation, the inflated expense of doing the experiments and the prospect of huge downstream costs of pesticide registration.
She said it may be possible to retain more brain cells by preventing the brain damage that occurs during a person's lifetime.
Part of the issue is that the benefit of taking insulin is so big--preventing blindness and organ damage--that even a small long-term cancer risk might be acceptable.
It also increases the DNA damage that chemotherapy does to cancer cells by preventing the enzymes that normally repair such damage.
Cracking down on naked short-selling, however, is even more crucial in preventing stock manipulations that would damage the market.
Preliminary calculations suggest that it could reduce the strength of cyclonic storms substantially, perhaps weakening a category five hurricane to a category four or three and thus preventing billions of dollars of damage and the cost of human lives lost.
By in large, the various regulators have not been effective in preventing or even catching fraud until the damage has been done.
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Preventing ice formation in the engine openings is important, as ice here could dislodge and cause damage as it's ingested into the engine.
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