Unicorns may be mythical creatures, but they're very plausible-seeming ones. So why hasn't evolution gifted us with magical horses with horns? Let's take a look at the genetics and developmental biology of headgear in ruminants and other...

Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!

In 1960, composer John Cage went on television to share his latest work. But rather than using traditional instruments, Cage appeared surrounded by household clutter, including a bathtub, ice cubes, a toy fish, a rubber duck, several...

Jessi teaches Squeaks all about Dung Beetles, a special kind of insect that pushes around something that might surprise you.



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Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!

What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!

This week on the SciShow Talk Show Doug Emlen talks about animal weapons! Jessi from Animal Wonders joins the show to talk about animal defenses and introduce us to the southern three-banded armadillo.

Unicorns may not exist on this planet, but Earth does have plenty of one-horned creatures that are just as remarkable, if not quite as majestic.

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Evolution is a never ending process, but there are some cases where humanity has given it a big push.

Bison are magnificent! Join Jessi and Squeaks and learn all about America's National Mammal.

Dr. Mark Hebblewhite comes to the SciShow studio to talk to Hank about his research into ungulate herbivores and their predator-prey relationships with a variety of carnivores.

This video is answering the question of did Vikings wear horned helmets.

The Devil Dog Story

Howcast - Learn how to draw a manga monster from art instructor Chris Hart in this Howcast video.

Howcast - Learn how to draw a manga dragon from art instructor Chris Hart in this Howcast video.

Howcast - Learn who the Wiccan God is from Wiccan High Priestess Phyllis Curott in this Howcast video.

Howcast - Language specialists say the calf muscle may have gotten its name because its shape resembles a young bull. Minus the horns, we assume.

If your car horn stops working, you can troubleshoot and often repair the problem.

Hint: it's a species that hails from Africa, where its name derives from.

In England, a desert antelope has been transferred to the Bedfordshire zoo in an ongoing effort to bring the species back from the brink of extinction. Having traveled from the Aalborg Zoo in Denmark through land and sea, Sabre, a...

Both male and female Bighorn sheep have horns, but only the males' continue to grow as they get older.

Weighing 2,000 pounds and with characteristic mustache-shaped horns forming what's known as a "boss," this is one tough animal you wouldn't want to mess with.

Learn all about the fastest land mammal in the western hemisphere.

Both male and female Bighorn sheep have horns, but only the males' continue to grow as they get older.