Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.
Before we go on: do not try this at home. But under certain circumstances, the human body can survive with only a third of its blood. How could that be possible? The key is that blood is made up of several different types of cells, each of which replenish at their own rate. Find out more in the video below.