It was the worst mass shooting in U.S. history, and now we know exactly how it happened.
[Image via AP Images.]
We feel like some nerds right now, but this is absolutely amazing.
Ch-ch-check out this video (above) where a plant of the Mimosa Pudica type is so sensitive that it looks like it is playing dead when touched by human hands.
It is definitely something you have to see to believe.
Now that's an ACTUAL mean green machine.