SciShow
Is Running Really Bad for Your Knees
Have you ever worried that running causes more problems than it solves?
MinuteEarth
How Long Did People Use To Live?
By analyzing survivorship curves over the centuries, we can learn what’s changed about how - and when - humans die.
SciShow
Can Pickles and Bananas Really Help Athletes?
Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains!
Crash Course
More Organic Nomenclature Heteroatom Functional Groups - Crash Course Organic Chemistry
Oxygen is pretty dang amazing! Some of the most intensely studied functional groups in organic chemistry have oxygen atoms. In this episode of Crash Course Organic Chemistry, we're building on the last episode's discussion of...
SciShow
What This Video Will Do to Your Friends' Brains
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.
SciShow
The Impossibly Huge Quasar Group
In 2013, astronomers reported that they'd found what was, at the time, the biggest thing in the known universe.
SciShow
Homophobia and Consumerism
Hank discusses some new research that studied what makes us unhappy with ourselves and with other people, focusing on homophobia and consumerism.
SciShow
Project Daedalus Our 1970s Plan for Interstellar Travel
Many ideas have come and gone, but Project Daedalus was a uniquely ambitious plan from the 1970s that never quite came to be.
SciShow
Why Do People Riot?
Peaceful protests can help people have their voices heard, but sometimes a protest becomes a more aggressive riot. How does that happen?
Crash Course
Aggression V. Altruism: Crash Course Psychology
In our final episode of Crash Course Psychology, Hank discusses the ideas of Aggression and Altruism. These two things are difficult to understand and explain so sit tight and get ready to run the gauntlet of human emotions. If you are...
SciShow
Where Do the Biggest Galaxies Come From?
Submillimeter galaxies are ancient, dense, massive galaxies with up to 10 times the number of stars in the Milky Way, and for a long time, scientists couldn’t even figure out how they existed in the first place.
Crash Course
Non-Human Animals: Crash Course Philosophy
Today we are taking all the things we have learned this year about doing philosophy and applying that to moral considerations regarding non-human animals. We’ll explore what philosophers like Peter Singer and Carl Cohen have to say about...
Bozeman Science
LS2D - Social Interactions and Group Behavior
In this video Paul Andersen explains the importance of social interactions and group behavior. Organisms live in groups because it overs them greater success and has been selected for through natural selection. Some groups are stable and...
SciShow
The Benefits of Being Easily Distracted
We place a lot of value on productivity, and being distracted can lower your performance on specific tasks. But it turns out that getting distracted once in a while can actually be a good thing!
Crash Course
Human Evolution: Crash Course Big History
In which John Green and Hank Green teach you about how human primates moved out of Africa and turned Earth into a real-life Planet of the Apes. And the apes are people! John and Hank teach you about how humans evolved, and the sort of...
SciShow
There Are Millions of Blood Types
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!
SciShow
Why Is That Song Stuck in My Head?!
Why do songs get stuck in our heads? And what can we do to get rid of them!? Michael Aranda explains current scientific thought on the subject (and also does a pretty good Shia LaBeouf impression).
TED Talks
4 tips to kickstart honest conversations at work | Betsy Kauffman
Why is it so hard to speak up and productively disagree at work? Leadership and organization coach Betsy Kauffman shows how to bring the candid conversations that usually happen at the watercooler out into the open with four practical...
SciShow
The Secret of Regeneration in... Alligators
Why can amphibians, fish and even some reptiles regenerate limbs, while birds and mammals can’t? Researchers think they might have found a clue on the tip of the alligator’s tail.
TED Talks
TED: An interactive map to track (and end) pollution in China | Ma Jun
China has pledged to be carbon neutral by 2060 -- and its citizens are helping industries across the country reach that goal. Environmentalist Ma Jun introduces the Blue Map, an app that empowers people to report pollution violations in...
MinuteEarth
The Problem With Life Expectancy
In order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about a distribution.
Crash Course
Biological Molecules - You Are What You Eat: Crash Course Biology
Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat.
TED-Ed
TED-Ed: How one of the most profitable companies in history rose to power | Adam Clulow
During the 17th century, the Dutch East India Company cornered the booming spice market and pioneered trade routes between Asia and Europe. It is widely considered the most profitable corporation ever created. But such success came with...
SciShow
Why Do People Join Cults?
It’s easy to assume that people who join cults have something wrong with them, but usually the people who join cults are just like the rest of us. So, how does it happen?