Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

The Animal That Wouldn’t Die: The Hydra

Just a few millimeters long and full of embryonic cells, the hydra is a small and mysterious cnidarian polyp that seems to defy mortality. Skunk Bear’s Adam Cole and Robert Krulwich team up to tell the amazing tale of scientist Daniel E. Martinez and his surprising hydra experiment: The Animal That Wouldn’t Die.

observing hydra
Related reading: senescence. Bonus: Here’s video of a feeding Hydra, recorded with a portable USB digital microscope by Switzerland-based microbiologist Jenni Bernard.

In the archives: more Skunk Bear.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.

🌈 Watch these videos next...

How to make plant cell model – BioMedical Art

Rion Nakaya

The Undying Hydra: A Freshwater Mini-Monster That Defies Aging

Rion Nakaya

Vaccines 101: How vaccines work

Rion Nakaya

Duck, Death and the Tulip

Rion Nakaya

Selaginella lepidophylla, a rose of Jericho time lapse

Rion Nakaya

From zygote to hatched larva, a cell division time lapse

Rion Nakaya

An up-close look at tardigrades and their poop

Rion Nakaya

What’s the difference between hibernation and sleep?

Rion Nakaya

L’orchestre d’hibernation animaux and how animals hibernate

Rion Nakaya