"Hand sanitizer is not an alternative to washing hands," behavior specialist Jaralee Metcalf said With flu season in full swing, two classroom educators wanted to show their students just how ...

A classroom experiment that showed how quickly germs can spread has gone viral. Earlier this month, a teacher in Idaho wanted to demonstrate to her elementary students how important handwashing is, ...

As if we needed another reason to wash our hands. Two enterprising teachers have given their students living proof of the importance of hand washing in one stomach-churning classroom experiment ...