"We let him work on it a bit before we recognized his deep breaths as he was getting stressed and starting to tear up," Patrick and Kitty told Newsweek.

Optical illusions are mind-boggling and fantastic tools to test IQ and observation skills. Today’s challenge will test your visual focus and intelligence under pressure. Personality Test: Your ...

Can you spot the hidden number in this vibrant puzzle? Test your observation skills with this tricky brainteaser!