Celery has negative calories! It takes more calories to eat a piece of celery than the celery has in it.
The average lead pencil will draw a line 35 miles long or write approximately 50,000 English words. More than 2 billion pencils are manufactured each year in the United States. If these were laid end to end they would circle the world nine times.
The pop you hear when you crack your knuckles is actually a bubble of gas burning.
A literal translation of a standard traffic sign in China: “Give large space to the festive dog that makes sport in the roadway.”
You burn more calories sleeping than you do watching TV.