TED-Ed
Why Do We Pass Gas?
Flatulence is a fact of life. But what exactly is happening in our bodies that produces this excess gas? Find out with this entertaining, yet educational, video that explores the different types of bacteria that aid...
MinuteEarth
Ambergris: Why Perfume Makers Love Constipated Whales
Does perfume really contain whale excrement? Only the most expensive varieties! An intriguing video lesson explains the origin of the ambergris ingredient through a tour through the sperm whale's digestive system. Scientists only...
TED-Ed
Why Isn't the World Covered in Poop?
Here's a resource that is definitely not a waste. Viewers learn about rollers, tunnelers, and dwellers, three types of dung beetle clean-up crews and the important roles they play in preventing global warming and in indicating the health...