This episode starts on the subject of Norman Rockwell, a famous American painter and illustrator, and somehow ends up on the Permian-Triassic Extinction, an event that wiped out nearly all life on Earth. How are they connected? You’ll have to listen to find out.

This episode starts on the subject of incense, an aromatic mixture of natural ingredients burned for many different reasons, and ends on the fruit fly, a common pest with surprising importance to the study of genetics. How are they connected? You’ll have to listen to find out.

This episode starts on the subject of weaving, an ancient art of textile creation, and somehow ends up on bentonite, an absorbent clay used for more things than you might expect. How are they connected? You'll have to listen to find out.

This episode starts on the subject of mercy dogs, which were trained to comfort injured soldiers in World War 1, and somehow ends up on Shell Oil. How are they connected? You’ll have to listen to find out.

This episode starts on the subject of Westminster Abbey, a church in London, and somehow ends up on Zoroastrianism, one of the world’s oldest religions. How are they connected? You’ll have to listen to find out.

This episode starts on the subject of whiskey, a delicious alcoholic beverage, and somehow ends up on tidal force, which is what creates waves in the ocean. How are they connected? You’ll have to listen to find out.

The official trailer for Sleep Encyclopedia.