A gorilla skeleton next to a human skeleton for comparison
Mars Curiosity Rover with a human for scale
Ski Trail Sign In Summer vs. In Winter
The Size Of A Tornado Compared To The Size Of Wind Turbines
Smoker vs. Non-Smoker
Shark’s Brain vs. Dolphin’s Brain
A PET (polyethylene terephthalate) in the initial form of a bottle (right) that will be molded into a typical 2-liter 7-up bottle (left)
