Trivia, The More You Know

The Human Nose Can Distinguish Trillion of Odors

Humans can distinguish more than 1 trillion scents, according to new research. The findings show that our sense of smell is far more discriminating than previously thought.

There are snakes with two heads, which compete with each other for food.
You can hear a blue whale's heartbeat from more than 2 miles away.
The glow around the moon is called a "broch."
The woolly mammoth survived until Egyptian times.