Crash Course
How Does Public Health Tackle Outbreaks? Crash Course Outbreak Science
Public health activities are all the ways society coordinates to deliver better health to people. That may sound super broad, and it is, so in this episode of Crash Course Outbreak Science, we'll take a look at public health works to...
TED Talks
TED: Tips for reclaiming your peace of mind online | Naomi Shimada
TED talks about tips for reclaiming your peace of mind online | Naomi Shimada
SciShow
Volcanoes: Mother of Disasters
Volcanoes can show nature's rage. What are the biggest eruptions we've witnessed in our history?
SciShow
What Does Polar Bear Milk Taste Like?
It's a question that entails some risks: What does polar bear milk taste like, and why does it taste that way?
Bozeman Science
Objects
In this video Paul Andersen explains how a system can be viewed as an object and an object can be viewed as a system.
SciShow
Wasp Nests and Bee Hives
How can you tell the difference between a yellowjacket and a hornet? And how much cosmic XP do you need to evolve a wasp into a bee? Follow the insect that stung you, and discover the fascinating world of wasp nests and bee hives.
SciShow
5 Baffling Mysteries About the Universe
At the beginning of the 20th century, many scientists thought that we had learned all there was to know about physics. The problem is, the better we get at measuring things and building models of our universe, the more we discover that...
TED Talks
Melissa Garren: The sea we've hardly seen
An average teaspoon of ocean water contains five million bacteria and fifty million viruses -- and yet we are just starting to discover how these "invisible engineers" control our ocean's chemistry. At TEDxMonterey, Melissa Garren sheds...
Crash Course
Defense Against the Dark Arts of Influence: Crash Course Business Soft Skills
How do con artists manage to scam millions? Why do people choose to follow great leaders, or horrible ones? How do CEOs get better deals in the boardroom? Influence. In this episode of Crash Course Business, Evelyn chats to us about what...
TED Talks
TED: The legacy of racial injustice in the US criminal legal system | Nick Turner and Whitney Pennington Rodgers
In an engaging, insightful conversation, criminal justice reformer Nick Turner breaks down the ways the US criminal legal system perpetuates centuries-old racial and economic inequality. He joins TED current affairs curator Whitney...
Crash Course
Metaethics: Crash Course Philosophy
We begin our unit on ethics with a look at metaethics. Hank explains three forms of moral realism – moral absolutism, and cultural relativism, including the difference between descriptive and normative cultural relativism – and moral...
Crash Course
To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34
This week we’re exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. We’ll explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.
TED Talks
Ursus Wehrli: Tidying up art
Ursus Wehrli shares his vision for a cleaner, more organized, tidier form of art -- by deconstructing the paintings of modern masters into their component pieces, sorted by color and size.
TED Talks
Kwame Anthony Appiah: Is religion good or bad? (This is a trick question)
Plenty of good things are done in the name of religion, and plenty of bad things too. But what is religion, exactly — is it good or bad, in and of itself? Philosopher Kwame Anthony Appiah offers a generous, surprising view.
SciShow
Is Urine Really Sterile?
Despite what you might've seen on some wilderness-survival show, there's increasing evidence that your pee isn't sterile. So don't do anything crazy with it. Sci Show explains!
TED Talks
TED: The bias behind your undiagnosed chronic pain | Sheetal DeCaria
While doctors take an oath to do no harm, there's a good chance their unconscious biases can seep into how seriously they take your pain. Physician Sheetal DeCaria explains how perception impacts medical care and treatment -- and calls...
SciShow Kids
Fireflies: Nature’s Baffling Blinkers Animal | Science for Kids
Have you ever wondered how fireflies twinkle and blink on lovely summer nights? Join Jessi and Squeaks at the fort to learn their secret!
PBS
Telescopes on the Moon
Find out about China's current telescope on the moon and what the future plans are for mounting larger telescopes on the lunar surface.
SciShow
Creating Artificial Life
Scientists are working on creating organisms with designer genomes -- and someday, we might end up with bacteria manufacturing our jet fuel.
SciShow
How Studying Venus Saved Earth
Chlorofluorocarbons, or CFCs, seemed too good to be true when they were first created, and before long astronomers studying Venus' atmosphere discovered what could go wrong with this "miracle molecule."
SciShow
Are My Electronics Making Me Sick?
Can the radiation emitted by electronic devices affect your body and make you feel terrible?
TED Talks
TED: Let's put birth control back on the agenda | Melinda Gates
Contraception. The topic has become controversial in recent years. But should it be? Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In...
SciShow
Weird Places Mexico's Giant Crystal Cave
SciShow explores a place that’s as beautiful as it is dangerous: Mexico’s Giant Crystal Cave, where chemistry has created the world’s largest crystals -- but in an environment so hostile that you’d only survive a few minutes if you saw...
TED-Ed
TED-Ed: Are naked mole rats the strangest mammals? - Thomas Park
What mammal has the social life of an insect, the cold-bloodedness of a reptile, and the metabolism of a plant? Bald and buck-toothed, naked mole rats may not be pretty, but they are extraordinary. Thomas Park explains how mole rats'...