What are eels?

Why are brothers and sisters so annoying? Why do siblings often look a lot alike? Why do siblings fight? Can your sister be your best friend? Why do we fight with our siblings even if we love them? But Why takes a look at the sibling relationship with Susan Dominus, author of The ...  Show more

Why are rabbits called bunnies? Why do they have fur? Why do bunnies have puffball tails? Why do rabbits have eyes on the sides of their heads? Why do rabbits hop? Our guest is Margo DeMello, professor of anthrozoology at Carroll College in Montana. She’s also a rabbit rescuer an ...  Show more

Aristotle thought they were born out of mud. A young Sigmund Freud dedicated himself to finding their testicles (spoiler alert, he failed). And a legendary Danish marine biologist spent 18 years and his wife's fortune sailing around the Atlantic Ocean to find their birthplace. Th ...  Show more

It seems absolutely bonkers that an animal can muster ELECTRICITY, especially enough to send out a zap like a taser. 

But that's exactly what electric eels can do, and the world record holder more than doubles the voltage of the Australian electricity supply. 

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We eat eels in sushi, stews, and pasta. Eels eat anything. Also they can survive outside of water for hours and live for up to 80 years. But this slippery snake of the sea harbors an even deeper mystery, one that has tormented the minds of Aristotle and Sigmund Freud ...

How does the electric eel generate its juice and how did six different lineages of bioelectric fish evolve on this planet of ours? Find out in this episode of Stuff to Blow Your Mind.