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Bridging the Divide? Technique sheds light on cleft palate gene
A new approach has enabled researchers to prevent cleft palate in mice genetically engineered to develop that birth defect.
- Earth
Stroke of Good Fortune: A wealth of data from petrified lightning
The lumps of glass created when lightning strikes sandy ground can preserve information about ancient climate.
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19794
Finding CO2 levels that are 2,500 times higher in 5,000-year-old fulgurites than in modern samples, scientists have speculated that the extra CO2 resulted from vaporization of organic material by lightning. Could some of this gas reflect elevated atmospheric CO2? And if so, could current laments regarding “unprecedented levels” of CO2 be insupportable? John M.
