Cold and flu viruses can live on surfaces for a few hours to days. Hard surfaces, like stainless steel and plastic, can keep ...

Sneezing helps get rid of germs, irritants, and allergens from the nose. Hay fever, respiratory illnesses, and air pollutants may all cause sneezing. Sneezing is a normal function of the body and ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do we sneeze? – Naomi, 9, San Francisco, ...