In this passionate call to action, 16-year-old climate activist Greta Thunberg explains why, in August 2018, she walked out of school and organized a strike to raise awareness of global warming, protesting outside the Swedish parliament...

We used to think having a distinct left and right brain was something unique to humans. But brain lateralization has now been found in everything from chickens to spiders! Does this change our theories for why some brains work that way?

Scientists often use the phrase “anatomically modern humans” to describe the point when our ancient ancestors looked like us. But when did humans become behaviorally modern?

The mirror test is supposed to be a way to figure out when an animal is self-aware, but there might be only one particular animal this test works well on: humans.

You might thank your nose for letting you experience the lovely aromas of a good soup, but you probably wouldn't think to thank it for helping you experience other people's emotions!

You might think of robots as unfeeling, and maybe even kind of cold, but some robots are specifically programmed to help people improve their social skills and emotional health. Here are a few that might make really good pals!

At the age of 21, Simone de Beauvoir became the youngest person to take the philosophy exams at France’s most esteemed university. But as soon as she mastered the rules of philosophy, she wanted to break them. Her desire to explore the...

Throughout this series, and in our real lives, we've seen the chaos and devastation that outbreaks can cause. But there's good news! Eventually, outbreaks come to an end. In this episode, we'll look at some of the important tools of...

Join the AI conversationp://AgeofAI.org' target='_blank' rel='nofollow'>conversation That video was based on Max’s book "Life 3.0”, which you can find at We live in...

In this video Paul Andersen explains how the climate on the earth is affected by the amount of solar radiation and the greenhouse affect. The addition of anthropogenic greenhouse gases has led to global warming which is impacting humans...

Paul Andersen explains how the central dogma of biology explains life on our planet. He starts with a brief discussion of common characteristics of all life. He then explains how DNA is used to make proteins which in turn make you. He...

At the end of our journey through modern European history, we're taking an episode to look back at how the practice of history developed and what the aim and goals and purpose of history have been. We'll also take time to consider how we...

We’ve seen and discussed the ways in which the rapid pace of technological change has affected the media literacy landscape, and it’s clear that change isn’t slowing down. How will those changes affect the future of media literacy? How...

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"

So, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your...

SciShow Space celebrates the 45th anniversary of the first moon landing by highlighting just four of the most important things we learned from the Apollo 11 mission.

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



Malaria - a...

Animals eat their own poop in order to gain extra access to nutrients or to microbes that help digest those nutrients.



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We've talked about some of the ways microgravity can negatively affect humans, but for bacteria, being in space might be quite beneficial!

SciShow takes you inside the site of the world's worst nuclear disaster to show you how, nearly 30 years later, life has adapted and persisted.

Why do Bats Transmit So Many Diseases Like Ebola

How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and...

SciShow takes you inside the site of the world's worst nuclear disaster to show you how, nearly 30 years later, life has adapted and persisted.

Are humans really Earth's most dominant species? Let's put all of the planet's living things on a scale and see what has amassed the most mass. This week we break down the concept of "biomass" to judge Earth's living things from top to...