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Tag: "again" at biology news

Same mutation aided evolution in many fish species, Stanford study finds

... took advantage of the same genetic trick time and again to allow freshwater species to shed their burdensome body armor and transform into a lighter, spryer fish. This is among the first times scientists have shown that the same genetic change is responsible for an evolutionary adaptation in disparate pop...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...tures. "Therefore, it would seembest to start over again with newly derived human embryonic stem cellsthat have never been exposed to any animal products, and ideally, onlyever exposed to serum from the intended transplant recipient.""However, such an approach could not be pursued under existing rulesfor t...

Controversial drug shown to act on brain protein to cut alcohol use

... to greatly increased drinking when whenalcohol is again available. When they administered Ibogaine, they foundthat the heightened craving and consumption was significantly reduced."The discovery that Ibogaine reduced binge drinking after a period ofabstinence was an exciting finding for us because this is...

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