Think that you’re observant enough to spot the subtle differences in pictures? Get your eyes ready because this is tricky. Grab a timer (or move at a leisurely pace) and see how many differences you can find between the two pictures in one minute. The first 10 slides display two pictures side by side. The one on the left is the original picture and the one of the right has been tweaked a little. Keep scrolling until the end to find the answer keys.
Melvin Vasquez/rd.com, shutterstock
There are seven differences between these two pictures. Can you spot them? Did you know that doing crossword puzzles can actually make you smarter?