Cyclosporiasis, the diarrhea parasite is rising in the U.S. Taco Bell may be linked to many of the cases. Here’s how to ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

First developed more than four decades ago as a biological research technique to amplify nucleic acids, polymerase chain reaction (PCR) technology still has untapped potential, with many exciting ...

Agar can serve as a blank canvas. For roughly a century, scientists have used pigmented bacteria to create agar art, a practice credited to microbiologist Alexander Fleming’s early “germ paintings.” ...