Chemistry & Biology : How Do Squids Make Ink?

Squids are cephalopods, and they have an ink sack that contains melanin, which can be shot out through a propulsion system. Learn about the mucus membrane that surrounds a squid's ink sack with help from a science teacher and field biologist in this free video on biology.

Expert: Brian Erickson
Bio: Brian Erickson is a tutor in math and science, as well as a field biologist.
Filmmaker: Todd Green

[rainXdrop]

^_^ cool so the ink kinda forms the squid. like a cartoon when it's running and it leaves behind the smoke and it looks like their body. ^_^

[jeronelawrence]

This is the most uninformation video i have ever seen

[badabing]

This guy claims to be an expert and a biologist but doesn't know what the scientific name of the octopus is. Yeah don't think I'll be sending them my money to be tutoring my child. lol..