Gene therapy is really complicated both scientifically and ethically. But it also has the potential to do some amazing things - like treating life threatening diseases in babies before they are even born.

Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.

Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your relatives would pester you...

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:

- Disgust: A feeling of revulsion at something unple
asant
- Emotion:...

Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you...

In a word, "yes" - space is packed with gravity. Hank explains how Isaac Newton described how gravity works, and why even though it seems that things are floating in space, they're still effected by gravity. Every object in the universe...

Why do apples turn brown after you cut them, or when they rot? Basically for the same reason that human hair, eyes and skin is brown, too. Not that we're calling you rotten. Quick Questions explains!

Food doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store " hopefully unspoiled -- thanks to...

It's been raining for a few days where Jessi and Squeaks live, and the news even said that there may be a flood! Join Jessi to find out what a flood is, how they form, and how you can stay safe if there's a flood where you live!

Social psychologist Dannagal G. Young breaks down the link between our psychology and politics, showing how personality types largely fall into people who prioritize openness and flexibility (liberals) and those who prefer order and...

Have you ever pretended to be something else? Some animals do too! Learn how animals use mimicry to keep safe, or to sneak a snack!

Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle...

Most waves are very small, but every once in a while, they can be really extreme!

How to Survive a Lightning Strike

You've seen it on your shampoo bottle, vitamins, and even your fancy moisturizing cream. But what does the phrase "clinically proven' actually mean?

E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and young adults -- from 2011 to 2015, e-cigarette use among high school students in the US increased by 900 percent. Biobehavioral scientist...

Welcome to Crash Course Outbreak Science! What do pathogens actually do to us that makes us sick? Why do societies respond to outbreaks of infectious diseases the way they do? How can we stop the next outbreak? These are the kinds of...

Left vs Right

New ReviewImprove your English with our original drama series. In this episode, you’ll hear real English conversations, learn everyday expressions, and practice listening comprehension in a fun, story-driven format. For learners at the Upper...

New ReviewHarriet Tubman plays a vital role in the Underground Railroad, guiding slaves to freedom despite her fears. The journey involves secret pathways created by abolitionists and freed slaves, with constant danger from slave catchers. Tubman...

What does a drone traffic controller do and why is this role growing in modern cities? Watch this episode of "Jobs for the Future" to see how drones are managed in urban airspace.

Following the tragic events in Orlando earlier this month, there were many reports of gay men being turned away when they went to donate blood. Why do non-celibate gay men have their blood donations rejected? Turns out, it's an outdated...

Does anyone really think there's something magical about five seconds when it comes to food and the floor? There's a press release out this week (I still can't find the study) that claims that the five second rule is "real". It isn't. If...

On this episode, Coyote is joined by the one and only Lexie Limitless to track down, safely catch and place a GPS tracker on a MASSIVE American Alligator. This GPS tag will provide invaluable data for the team of amazing experts from the...