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Fire ants are emerging nuisance for Virginians

Fire ants are emerging nuisance for Virginians

Red imported fire ants (RIFAs), which have caused trouble in Florida and Texas for decades, are now advancing in Virginia. Colonies of the tiny, highly aggressive insects have been observed in the…
Geoscience converges under pressure

Geoscience converges under pressure

The contents of the deep Earth affect the planet as a whole, including life at its surface, but scientists must find unusual ways to "see" it. Only recently have researchers been able to produce the…
Mission explores world's deepest sinkhole

Mission explores world's deepest sinkhole

A NASA-funded expedition, including researchers from Carnegie Mellon University’s Robotics Institute, will begin searching for the submerged bottom of Mexico’s El Zacatón sinkhole with a robotic…
Does Livestock Cause Global Warming?

Does Livestock Cause Global Warming?

The harmful environmental effects of livestock production are becoming increasingly serious at all levels—local, regional, national and global—and urgently need to be addressed, according to…