Category Health

Why is snot sticky?

Snot needs to be sticky to protect our airways from pollutants and pathogens. (Image credit: Makiko Tanigawa via Getty Images) Most of the time, you’re probably barely aware that you have mucus in your nose. However, when you have a…

Scientists have bred the most human-like mice to date

New research shows that it is now possible to breed mice with a fully functional human immune system. (Image credit: Evgenyi_Eg via Getty Images) For the first time, scientists have created mice with a fully-fledged human immune system. Researchers say…