Add Yahoo as a preferred source to see more of our stories on Google. An axolotl (Ambystoma mexicanum) swims in a tank at the Center for Regenerative Therapies at the Technical University in Dresden, ...

A 30-year-old woman produced a single mass of gray material from her nose during a particularly forceful sneeze several hours before presenting to our clinic. She asked that the material be submitted ...

Sniffles, snorts and blows of runny noses are the hallmarks of cold and flu season -- and that increase in mucus is exactly what bacteria use to mount a coordinated attack on the immune system, ...

The winding trail of environmental microplastics leads researchers to the human digestive ecosystem. A series of rodent experiments showed that even with abundant food and water, personal space is ...