What mammal has the most teeth?
On land the mammal with the most teeth is the Giant Armadillo, which can as many 100 teeth in its jaws. In the oceans the Spinner Dolphin can have as many as 252 teeth in its long thin jaws.

Daily fact post.
How fast is a lightning bolt?
Its can depend on air conditions, but the typical lightning bolt moves at 224,000 mph -- or about 3,700 miles per second. However, the light you see from the lightning obviously travels at the speed of light, which is roughly 670 million mph, or 186,000 miles per second.