Gecko Can’t Stop Smiling When He’s Around His Toy Gecko, And Their Pics Will Make Your Day
A smile is a facial expression that generally indicates happiness, joy, pleasure, or amusement. According to Wikipedia, Signe Preuschoft, a primatologist, traced the smile back over 30 million years! It started as a ‘fear grin’ among primates who would show their clenched teeth to a predator to let them know that they were harmless or …