Month: October 2011

Changing human activities coupled with a dynamic environment over the past few centuries have caused…

Biologists have described only a few thousand different viruses so far, but a new study…

The bacterium that causes tuberculosis has a unique molecule on its outer cell surface that…

Scientists used DNA to identify microbes present in the Gulf of Mexico following the Deepwater…

Confirming many elderly patients’ worst fears, a national study has shown that being hospitalized for…

Using new optical equipment, researchers put roundworms into a world of virtual reality, monitored both…

In a close-up headshot, Serena Williams’ eyes are pressed tensely closed; her mouth is wide…

After the last Ice Age peaked about 18,000 years ago, levels of atmospheric carbon dioxide…

A new study suggests that openly gay men face substantial job discrimination in certain parts…