This is a weekly handover test to confirm that you do not have a hang-over, due to all the alcohol that you had been drinking last night.

Things aren't always what they seem .Take optical illusions, for example. Thanks to clever lighting and angles, they play tricks

floating person photo illusion water puddle on the ground before the person gives the illusion of a shadow

Seemingly impossible series of photos.

These photos require a second look to understand

What's up with this image of Adele? Turn it upside down.