When we say a meme goes “viral,” we aren't actually saying it's making people sick. But the math behind a meme’s spread suggests it's actually a pretty spot-on analogy.

If you've spent enough time on the internet, you may have stumbled upon the fact that sharks are older than Polaris, aka the North Star. But are they really? It turns out the truth is a little more complicated.

Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?

During the last three months of the campaign, fake news headlines drew more engagement than real reporting, and social media platforms were criticized for not doing enough to dispute false information. Now Facebook is launching new tools...

Kevin Allocca is YouTube's Head of Culture & Trends, and he has deep thoughts about silly web video. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.

In the past couple years, you may have found yourself wishing that all the viruses in the world just disappear. But be careful what you wish for...

Since you're on YouTube, you probably know what a meme is; but what is it really and how does it go viral?

What's the secret to making content people love? Join BuzzFeed's Publisher Dao Nguyen for a glimpse at how her team creates their tempting quizzes, lists and videos -- and learn more about how they've developed a system to understand how...

Millions of images and videos are uploaded to the internet each day, yet we rarely see shocking and disturbing content in our social media feeds. Who's keeping the internet "clean" for us? In this eye-opening talk, documentarians Hans...

Lots of funny and iconic memes arrive suddenly and overwhelmingly in our internet life, but what's the science behind why those memes go viral?

The internet has given us access to a wealth of information about humanity, including about those big weird brains that make us who we are.

Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?

Join The Amoeba Sisters as they explain the biotechnology PCR. This video goes into the basics of how PCR works as well as two examples of its potential use. Table of Contents: 00:00 Intro 1:34 How does PCR work? 4:31 Why use PCR? 5:10...

The sun conure, a parrot species, is very social and has some fascinating features. Distinguishing between males and females, however, may come as a challenge.

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

Hear the story of this chimp whose journey to the Little Rock Zoo resulted in a trip to the Arkansas Children's Hospital.

The Fiji iguana is an endangered species so any baby that is born is a win.

Watch the bears have a great time after waking up to 15 tons of snow.

In a flagrant display or pride, lions at a UK safari want to let us know who they’re rooting for. Yair Ben-Dor has more.

Ever hear of a Satanic Leaf-Tailed Gecko? How about a Rhacodactylus? Learn about some of the strangest creatures on the planet.

Howcast - Learn about digestive disorders from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.

MSNBC - "Caught on Camera: Viral Videos - Millions Served"

Why sharks need vitamins to supplement their diets - and how their handlers get the job done.

Friends can come in all shapes, sizes, and sometimes, even different species! Learn about Ruuxa the cheetah and Raina the dog, who after a medical emergency became an inseparable pair.