“A million years ago, some early human looked at a cave and said, “I think I’ll go check it out.” His friend was a little more anxious and grunted back, “Not sure that’s such a good idea.” And guess what? The first guy got eaten by a bear and the second guy is your ancestor.”

“A million years ago, some early human looked at a cave and said, “I think I’ll go check it out.” His friend was a little more anxious and grunted back, “Not sure that’s such a good idea.” And guess what? The first guy got eaten by a bear and the second guy is your ancestor.”

— Alex Korb