Frog and Sheep go on an exciting adventure. / Duck and Fly want to become firefighters. Frog is excited to accompany Sheep on an exciting adventure to find the Really Red Ruby - until he realizes ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong.

For centuries Mars has been called "the Red Planet" and there's a scientific reason why according to space telescopes.