Current Issue:
February 12, 2004
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February 12, 2004
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Reining in free radicals
Harvard scientists have found a mechanism that helps cells resist the toxic effects of free radicals, agents to which humans are constantly exposed and which have been strongly implicated in cancer and aging. The image above shows the enzyme MutY removing damaged DNA from the double-helix (center). (Image by Chris Fromme) Full story
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HARVARD GAZETTE ARCHIVES
Scientists clarify how cells repair
oxidative damage to DNA
Finding sheds light on repair of mutations that can elevate cancer risk
Gene transfer allows mammals to produce heart-healthy fats
Better burger could be in future
Excess iron stores linked to elevated risk of type 2 diabetes
Harvard researchers close in on Earth oxygen appearance
Oxygen in air rose between 2.45 billion and 2.32 billion years ago
C-reactive link found in macular degeneration
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