Michael Aranda explores the purpose of zebra stripes.

What if smallholder farmers could use their produce and livestock to pay for goods and services? TED Fellow and alternative currency enthusiast Fariel Salahuddin is working to make this a reality in places including rural Pakistan, where...

If you've ever seen a group of starlings in flight, you've appreciated one of nature's most hypnotic sights -- the lava-lamp-like flow of a murmuration. SciShow explains the biology and mathematics behind this beautiful phenomenon.

Reindeer meat could’ve entered North American cuisine and culture, but our turn of the century efforts to develop a reindeer industry were stymied by nature, the beef lobby, and the...

Bad news: your worst enemies are at the gate. Your fledgling kingdom guards the world's only herd of tiny dino creatures. To you, they're sacred. To everyone else, they're food. The three closest nation-states have teamed up to smash...

Thanks to strontium, oxygen, and rings in a tusk, scientists now have evidence that extinct mastodons may have participated in yearly migrations.

Michael Aranda explores the purpose of zebra stripes.

Some birds fly in V shapes because it has many benefits, but other birds fly in clumps instead. Why would they do that?

Did you know that there were over 200 types of cows? Join Jessi and Squeaks as they discuss some cool facts about these amazing animals.

In this video Paul Andersen explains how immune individuals in a population give the entire group a herd immunity. Concepts of immunity, vaccines, basic reproduction number, and herd immunity threshold are discussed.

As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But it's not seeing— it's sniffing. Containing no bones and an estimated 40,000 muscles, an elephant trunk is one...

Have you ever moved? Some animals move too! And if an animal moves from one place to another for weather or food, it's called migration!

We’ve mentioned already that there’s a lot of money in media and a huge chunk of that money is spent on trying to get you to do something – buy something, vote a certain way, change a behavior. How does advertising work? And what’s the...

Learn all about Asian and African elephants, and how zookeepers integrate new elephants into the habitat.

Zookeepers at the San Diego Zoo integrate Jewel, an Asian elephant with some health issues, into the Elephant Odyssey exhibit.

Check in with a pair of young elephants at the San Diego Zoo Safari Park to see how the herd is taking them in.

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...

Learn all about these incredible creatures, including how much a 100+ year-old tortoise weighs, and how the "Finch response" plays an important role in tortoise health.

Learn all about Asian and African elephants, and how zookeepers integrate new elephants into the habitat.

Watch as Harriet's four-day-old calf is introduced to some gazelles and the rest of the giraffe herd at the San Diego Zoo.

Learn all about these incredible creatures, including how much a 100+ year-old tortoise weighs, and how the "Finch response" plays an important role in tortoise health.

The elephant herd at the San Diego Zoo is getting even bigger.

On this fascinating island on the Great Salt Lake, see how fast and gracefully these rams can move on steep, rocky slopes.

Watch the newest member of San Diego Zoo's reindeer herd explore the exhibit with mom.