Did you know an explosive sneeze can shoot millions of droplets out of your nose and mouth at more than 100 mph? These droplets mainly consist of water, salt and protein. Using a few ingredients from ...

Anna Rothschild is the creator and host of Gross Science, a YouTube series from NOVA and PBS Digital Studios. She's a multimedia producer and science journalist with a deep curiosity, a passion for ...

The local pool is a welcome sanctuary on hot summer days, but it's certainly not the best smelling of places. From homes to hotels, and from resorts to rec centers, every pool seems to have that ...