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?

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...

These birds are in nectar heaven at San Diego Zoo's Lorikeet Landing.

Learn some wild facts about sloths, the world's slowest mammal.

The San Diego Zoo surprised the bears with the snow day, and they sure look like they're having a blast.

One focus of the research program is to better understand how human disturbance and noise might impact giant pandas, both in the wild and at the zoo.

The good thing about young cats is they can bounce right back despite some awkward landings.

Arguably one of the fiercest animals in the world, wolverines scare off bears and can single-handedly take down moose and elk, despite being only the size of a medium dog.

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.

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

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

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.