EPA puzzled by mercury amount at Vegas middle school (Update)

Investigators say they're puzzled by a significant amount of mercury found at a Las Vegas middle school days after a few dribbles of the neurotoxin were first discovered and forced more than 1,000 students into a quarantine ...

First accurate simulation of a virus invading a cell

For the first time, scientists know what happens to a virus' shape when it invades a host cell, thanks to an experiment by researchers at Penn State College of Medicine and University of Pittsburgh School of Medicine. Understanding ...

Explaining why the universe can be transparent

Two papers published by an assistant professor at the University of California, Riverside and several collaborators explain why the universe has enough energy to become transparent.

A breakthrough in genetic modification of grains

Although the commercialization of transgenic, or "genetically modified", plants has stirred widespread controversy, much research remains focused on improving techniques to create such plants. As people familiar with the ...

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