Dinosaur tracks are found on every continent—but how did they form?

See how the awesome event of a global flood offers an explanation to this confounding scientific riddle.

Click here to see That’s a Fact.

How does it make you feel when you put forth just as much effort as the next guy, but he receives twice the reward? Unfair! But how did people acquire the sensibilities involved when assessing fairness? Certain animals recognize unequal rewards too, prompting researchers to try and unravel the origins of fairness.