The Boston University Bridge (on Commonwealth Avenue, Boston, Massachusetts) is one of the few places in the world where a boat can sail under a train driving under a car driving under an airplane.

Some Chinese chopsticks contain gold as on of their materials.

Tiny dust particles surround a comet. They are swept into a long tail by the solar wind, which consists of subatomic particles speeding from the sum at speed of hundred of miles per second.

AMAZING FACTS