Look at the reaction of this cat when faced to the rotating snake illusion from Japanese professor Akiyoshi Kitaoka. You’ll find more of these illusions here, you can even print them and try with your own cat.

As they were hiding in a safe place, the demolition crew only noticed the deer once they watched the video...

The Chair Challenge requires you to stand two steps from a wall and push the wall with your head. Then you need to pick up a chair and stand up. Most men can’t do it, while women do it with ease. People say it can be due to women’s center of gravity being lower than men’s, and men’s feet being naturally larger.