All animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!

What happens when you discover a dinosaur? Paleontologist Kenneth Lacovara details his unearthing of Dreadnoughtus -- a 77-million-year-old sauropod that was as tall as a two-story house and as heavy as a jumbo jet -- and considers how...

Jessi and Augusto from Animal Wonders talk with Hank about how they got their really cool jobs. Plus they introduce Hank to a Mali uromastyx!

Lots of animals pretend to be other animals to lure in their pray, but the spider-tailed viper takes this to an almost unbelievable level.

You might think weather on earth is pretty crazy, but at least we don't have an apocalyptic shockwave to worry about every 111 days.

"Puppets always have to try to be alive," says Adrian Kohler of the Handspring Puppet Company, a gloriously ambitious troupe of human and wooden actors. Beginning with the tale of a hyena's subtle paw, puppeteers Kohler and Basil Jones...

We may think of a lot of critters with crab-like body plans as crabs, but, technically, many of them are other types of crustaceans. So why do they share so many physical traits?

Today on the SciShow Talk Show, our Technical Director Nick Jenkins stumps Hank about how many frames per second the human eye can see, and Jessi from Animal Wonders shares Hara the Harris's hawk.

Biologist Robert Full studies the amazing gecko, with its supersticky feet and tenacious climbing skill. But high-speed footage reveals that the gecko's tail harbors perhaps the most surprising talents of all.

For more than a hundred years, we've been studying fossils of Tyrannosaurus rex. But despite all the new insights we've gained, many of the popular images of T. rex still seem to be stuck in the past.

To repeat the space time maxim: it's never aliens .... until it is. So let's talk about 'oumuamua.

Sharks come in a lot of different shapes and sizes and many of them don't look like the ones you see in movies. Here are seven sharks that went down some decidedly strange evolutionary paths.

Mike Rowe, the host of "Dirty Jobs," tells some compelling (and horrifying) real-life job stories. Listen for his insights and observations about the nature of hard work, and how it's been unjustifiably degraded in society today.

Today on the SciShow talk show, Emily fails to stump Hank with a new animal skull, and then Jessi from Animal Wonders shares Lokita the Chinese water dragon.

Olivia Gordon shows Hank how to taxidermy a squirrel and Zoe the Red Lored Amazon parrot shows off with the help of Jessi from Animal Wonders.

Emily Graslie of the Brain Scoop is back again with some more skulls to stump Hank, and Jessi from Animal Wonders brings in Blueberry the blue-tongued skink.

What's up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!

The rat's tail plant, or Babiana ringens earns its name for the distinct stem that grows above its flowers. But what's the purpose of this odd looking appendage?

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As of 2021, there are 368 species of viper worldwide. The name comes from the term viviparity, which means giving birth to live young. Vipers are often highly venomous, with two hollow, extra long fangs that unfold into imposing weapons...

What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!

This week, we've got new info about the strange-looking Tully Monster, and a report on a fish that was able to self-fertilize.

Hank tells us three surprises about human DNA which we learned because of the Human Genome Project.

The cross product is a way to multiple to vectors in 3d. This video shows how to visualize what it means.

When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Looking at the process of measurement more carefully, you will see that there is another important consideration:...