And this is why helmets are required during contruction work.

Unstable ladder collapses with two firefighters on it.

Worker on tall ladder falls hard.

They're supposed to always land on their feet right?

That is one evil cat right there, lol. I do hope the little one's ok...

The inventor's demonstration doesn't go as planned.

Stupidity is clearly nature's way of evening the odds against guys with power tools.

Imagine yourself, safe in a tree house, with a bear climbing up the ladder :s

Why even try?

This guy already fails before he can do his stunt.

I bet that hurts.