News tagged with oxygen species

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Niacin, the fountain of youth

The vitamin niacin has a life-prolonging effect, as Michael Ristow has demonstrated in roundworms. From his study, the ETH-Zurich professor also concludes that so-called reactive oxygen species are healthy, ...

dateSep 30, 2013 in Biochemistry
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A designer enzyme for alternative energy

(Phys.org) —Imagine pulling energy out of thin air. Yi Lu and his colleagues are on that path, in a quest to find alternatives to fossil fuels. The team has designed an enzyme that can harvest the energy ...

dateJun 21, 2013 in Biochemistry
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New light shed on marine luminescence

The phenomenon of light emission by living organisms, bioluminescence, is quite common, especially in marine species. It is known that light is generated by chemical reactions in which oxygen molecules play ...

dateFeb 23, 2009 in
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Jurassic Park from a Swiss lake?

Ecological changes caused by humans affect natural biodiversity. For example, the eutrophication of Greifensee and Lake Constance in the 1970s and 1980s led to genetic changes in a species of water flea which ...

dateMar 12, 2009 in Evolution
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