Nancy Bullard on MSN

How a Simple Model Explains Your Lungs and Breathing

In this video, I use a fun and easy model to break down how your lungs really work. With just a straw, a cup, and some ...
Medlife Crisis on MSN

The anatomy of laughter, according to Dr. Rohin Francis

Medicine meets mockery in this clever blend of biology and banter - where every organ, nerve, and muscle gets roasted in the name of science. Trump suggests US will buy Argentinian beef to bring down ...