There are about 10,000 known species of mushrooms in the world, and most scientists agree that there are many more that haven't even been discovered. Given all those different types of mushrooms, there's actually only a few hundred on the planet that produce a chemical that causes hallucinations. But the mushrooms didn't develop their "trippy" properties just to make people high. Scientists say it's to trick fungi-eating insects.

Originally released by Inside Science, 2018. Streaming video file encoded with permission for digital streaming by Infobase on January 03, 2019.

Magic Mushrooms - the Not-So-Trippy Reasons Mushrooms are Psychedelic (3:34);