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California Had Long Droughts Before Recent Climate Change

Those who attribute droughts to recent human-caused climate change should read this paper.

Cave Climate Conclusions Compromised

Widely used to infer past climates, isotope measurements from stalactites and stalagmites in caves can mislead researchers.

Living Stalactites and Other Geological Surprises

Dripstones in caves can be made by microbes, some speleologists find. That's among several recent geological surprises.
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