Archive for the ‘environment’ Category

Germs Can Travel the World by “Hitchhiking” on Dust

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Using samples originally collected by Charles Darwin nearly 200 years ago, scientists have found that windblown dust can carry microbes across whole oceans and continents.

Ancient Warming Caused Huge Spike in Temps, Study Says

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Moderate warming 55 million years ago may have melted huge icelike deposits of greenhouse gases, according to new research that raises dire possibilities for Earth’s current warming.