When something that bright strikes your eye, a few things can happen ... which actually can trick your brain into thinking it's safe to stare. Normally, our bodies have a built-in defense ...

Two experts - Dr Angelica Ronald and Dr Alice Skelton - talk about how babies' vision develops and why they might stare at ...

If you continue to gaze at it, it will turn to stare back at you. Keep staring it down and it will toggle the state of a remote control light switch. This all works because of the person sensor ...