A new study shows that people who have been infected with West Nile virus may have persistent virus in their kidneys for years after initial infection, potentially leading to kidney ...

Harnessing the power of "hot" electrons for solar energy has been held as a theoretical possibility. Now researchers report observing the hot electron effect in an ultra-thin solar cell for the first ...

Individuals taking a medication to treat depression may experience changes in their personality separate from the alleviation of depressive symptoms, according to a new ...

The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from being blown away, says a new study led by the University of Colorado at Boulder.