Optical Illusion: Find the odd number in this image Take a look at both ... It’s your job to spot the differences-- this will test your eyesight and also your observational skills.

So, are you ready to test your intelligence and visual perception? Set your timer for 5 seconds and see if you can spot the imposter among the bears before time runs out! Scan the image carefully.

Hyderabad: Dr Marty Makary, who practices surgical oncology and gastrointestinal laparoscopic surgery at the Johns Hopkins ...