Methane emitted by humans vastly underestimated, researchers find

Methane is a powerful greenhouse gas and large contributor to global warming. Methane emissions to the atmosphere have increased by approximately 150 percent over the past three centuries, but it has been difficult for researchers ...

Caribbean settlement began in Greater Antilles, researchers say

A fresh, comprehensive look at archaeological data suggests that seafaring South Americans settled first on the large northernmost islands of the Greater Antilles rather than gradually moving northward from the much closer, ...

CRISPR enzyme programmed to kill viruses in human cells

Many of the world's most common or deadly human pathogens are RNA-based viruses—Ebola, Zika and flu, for example—and most have no FDA-approved treatments. A team led by researchers at the Broad Institute of MIT and Harvard ...

Successful 'alien' bird invasions are location dependent

Published today in Nature, researchers show that alien bird introductions are most successful in locations and climates similar to their native habitats and in places where other alien species are already established.

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