A clip from America Ferrera's TED Talk "My identity is a superpower -- not an obstacle" from TED2019 Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the...

Right now, experts say a vaccine for COVID-19 is a year or more away. But as far away as it sounds, it’s only within the realm of possibility because scientists are speeding up the vaccine development process in surprising ways.

You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that! *We made a mistake in the credits of this video: The writer of this episode was Alane Lim.

Some online quizzes would have you believe the idea that certain people have a specific “personality type”. But is an “addictive personality” a real thing?

Hank discusses some new research that studied what makes us unhappy with ourselves and with other people, focusing on homophobia and consumerism.

SciShow debunks the myth that you only use 10 percent of your brain. So, how much do you really use? And how do we know?

Scientists know that genetic factors can explain many of autism’s features - but have autism researchers been looking for those features in the wrong DNA? A new study uses A.I. to uncover changes linked to autism in the stretches of non...

This week, scientists announced great news about our brains and those discoveries may help us find the cure for a number of diseases and disorders.

Fewer children in the United States are getting vaccinated. That’s bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible,...

You may have heard about the Six Degrees of Separation phenomenon, but it isn't just a fun celebrity game, it helps scientists understand the spread of epidemics, the structure of the internet, and even the neural networks in your brain!

What is heavy water, and is it safe to drink? Heavy water, or deuterium oxide, has some pretty important scientific applications. But what would happen to your body if you actually drank it? Hosted by Hank Green.

We know modern day healthcare to be a world of expensive premiums, long wait times and frustrating hospital bills. However health care has existed long before insurance premiums and online portals! Curious about when healthcare for...

Is there actually a cure for cancer? A universal cure would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident. Watch this new episode of SciShow and find out more! Hosted by: Hank...

Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.

Plastics usually stop electricity in its tracks, but scientists have figured out a way to keep the electrons flowing. Hosted by: Hank Green

New variants of SARS-CoV-2 have emerged throughout the COVID-19 pandemic, with the latest one being Omicron. We’re still trying to learn about its effects and what it means for the overall course of the pandemic, but here’s what we know...

If you're not hearing impaired, you may wonder what it's like to wear a cochlear implant—what does it actually sound like? Unlike what you may think, cochlear implants don't generate sound like a hearing aid would. Instead, they actually...

The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.

Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.

There’s still a lot of work to be done before HIV is cured, but this week scientists reported the second-ever case of full HIV remission in a patient.

This week in the journal Nature Communications, scientists report a way to use fossilized shark teeth to figure out where different shark species, including megalodon, stood in the web of life. And last week in the journal Scientific...

Welcome back to SciShow Talk Show where Hank talks to interesting people about interesting things! In this episode Hank discusses corvids with John Marzluff of the University of Washington.

Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...

In the early days of the space race, agency researchers in Russia and at NASA really weren't sure all what would happen to an astronaut in space. They didn't know if a human mind could handle actually seeing Earth or what would happen to...