What is the origin of April Fools’ Day, and how did it become an international phenomenon? The totally legit, not-pulling-your-leg answer to the origin of April Fools’ Day is: Nobody really knows.
Be sure to take your sense of humor with you today!
Stare closely at this light bulb for 25 seconds. Then immediately stare at a white wall or sheet of paper. What do you see?
How many legs do I have?
Are the pinwheels moving?
In this illusion, you can see the word Teach and its reflection. Can you read the reflection too? What does it say?