The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches...

The way your brain reacts to stimuli might tell us more about who you're friends with, and swatting at mosquitoes might one day bring us positive results.

Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved to use the least amount of energy while carrying the most...

Mirror neurons are a very cool part of our brains but some people are taking it way further by making claims that they are responsible for telepathy and ESP. It goes without saying that this isn’t true, but what exactly do mirror neurons...

Everyone has dreams, but some people are better at remembering them than others. Scientists aren't sure why we dream, but remembering them has a lot to do with the activity in your brain, and with how well you sleep.

Eye boogers: Not the most glamorous of bodily secretions, but important all the same. Learn why the heck you have sand in your eyes in the morning in this episode of Quick Questions.

Like a scene from a horror film, you are in a elevator, you push the close button ,Hurry! The murderer is coming at you! However, again you push the close button, the door won't close! Psych! The button is fake. But why is that most of...

When you’re sick you just want to be left alone. Sometimes that’s because you physically can’t move, but other times, it might have more to do with the way your immune system is connected to your brain.

Hank and Dr. Rebecca Bendick talk about her work in the science of earthquake forecasting, and then Jessi joins the show to show off Sandy the sand boa!

Life in a desert can be tough, but the plants, animals, and people that live there have some special skills to help them survive!

Today we’re going to take a closer look at these beautiful but dangerous landforms as we explore the different types of volcanoes and trace the patterns of volcanic activity around the world. From the explosive power of a stratovolcano...

SciShow explains how some great, Nobel-winning research into the human brain turned into a meme of misunderstanding that lasted for decades.

There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep.

Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. In this video, we'll look at some very cool butterflies with Bob Robbins, Ph.D. from...

If you've heard it once, you've heard it a thousand times: Parents blaming their kids' active behavior on sugar. But is it true? Hank gives you sweet-and-lowdown on the extent to which sugar can and can't affect behavior, in kids and...

Scientists know that anesthesia drugs are really good at knocking you out. What they don't know is how.

Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that's smaller than Earth has volcanoes that are bigger than ours!

New ReviewZsuzanna Szelényi reflects on entering politics at just 23, shaped less by contemporary role models than by her family—especially her grandmother, Karolina Patek. An extraordinary woman, Batak was a highly educated linguist who...

The Neuroscience of Friendship: Why Your Brain Rewards You for Time with Friends

Everybody lies. However there are different types of lying. This video explores research on "paltering" - lying by telling the truth. This intriguing form of lying can be perceived as the most unethical, and can lead to significant...

Many people in Indonesia believe in the spiritual power behind objects and forces, and most societies have organized ceremonies and rituals to mollify these spirits. In Indonesia, traditional animist beliefs have been combined with the...

In this video, observe a demonstration of configuring EtherChannel on Cisco switches.

In this video, dive deeper into HSRP, understanding how it enables seamless failover between routers.

In this video, learn about FHRPs such as HSRP, VRRP, and GLBP, which provide fault tolerance at the first hop in routing.