Researchers discovered that the absence of one critical gene made the plague less virulent, and may have allowed two major ...

Mold in houses is unsightly and may cause unpleasant odors. More important though, mold has been linked to a range of health ...

Learn more about Yersinia pestis, the bacteria behind the ‘Black Death,' which changed over time to cause less virulent, but ...

Reducing the copies of one gene in the bubonic plague bacterium, Yersinia pestis, made it less deadly but potentially more ...

A change to a single gene in the bacterium Yersinia pestis has enabled one of the world’s most notorious pathogens to survive ...

Newly hatched orchid mantises display black–red coloration ... in older nymphs. Recent research provides evidence of potential altruistic social behavior in mice. Laboratory mice appear to ...