Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger, that had a pair of fangs nearly 18 centimeters long. But it was only the last and largest of the great sabertooths: ridiculously long canines had already been a trend for millions of years by the time Smilodon was prowling around. And you know what? Those giant teeth just might make a comeback.

Originally released by Knowledgemotion, 2017. Streaming video file encoded with permission for digital streaming by Infobase on February 21, 2020.

The Story of Saberteeth (5:51); .