SciShow
Valentine’s Day Is Bad for Relationships (and That’s a Good Thing)
Scientists have found that Valentine's Day can have a negative impact on relationships and the holiday-related obligation to be lovey-dovey may have something to do with it.
Crash Course
Population, Sustainability, and Malthus: Crash Course World History 215
In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In...
SciShow
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
TED Talks
Laura Trice: Remember to say thank you
In this deceptively simple 3-minute talk, Dr. Laura Trice muses on the power of the magic words "thank you" -- to deepen a friendship, to repair a bond, to make sure another person knows what they mean to you. Try it.
Crash Course
Immune System, part 2: Crash Course A&P
In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells,...
TED Talks
TED: The problem with plastics -- and how they're changing the environment | Patricia Villarrubia-Gómez
Plastics are everywhere -- they're in our favorite electronic devices, they package our food and insulate our homes. Today, the total mass of plastic is twice the total mass of all living organisms on the planet, and it's starting to...
Crash Course
Special Relativity: Crash Course Physics
So we've all heard of relativity, right? But... what is relativity? And how does it relate to light? And motion? In this episode of Crash Course Physics, Shini talks to us about perspective, observation, and how relativity is REALLY weird!
TED-Ed
A day in the life of an ancient Babylonian business mogul | Soraya Field Fiorio
It's 1762 BCE. As dawn breaks in the Babylonian city of Sippar, Beltani— a priestess and businesswoman— receives an urgent visit from her brother. He makes a troubling accusation: her tavern keeper has been undermining the business...
TED-Ed
TED-Ed: How to make a sad story funny | Jodie Houlston-Lau
It may seem counterintuitive, but comedy is often key to a serious story. As a writer, you need your audience to experience a range of emotions, no matter what your genre. Comic relief is a tried-and-true way of creating the varied...
Crash Course
The Internet and Computing: Crash Course History of Science
We’ve talked a lot about advances in biotech. But none of those could have happened without advances in computing. It’s time to get back to data and explore the unlikely birth, strange life, and potential futures of the Internet. In this...
TED Talks
TED: Sex education should start with consent | Kaz
Consent can be a tricky topic to talk about in sex education curriculums, but it doesn't have to be. In this hilarious and relatable talk, sex educator and TED Fellow Kaz offers a fresh look at teaching young people about the core...
Crash Course
Probability Part 2 Updating Your Beliefs with Bayes - Crash Course Statistics
Today we're going to introduce bayesian statistics and discuss how this new approach to statistics has revolutionized the field from artificial intelligence and clinical trials to how your computer filters spam! We'll also discuss the...
TED-Ed
TED-ED: Why should you read James Joyce's "Ulysses"? - Sam Slote
James Joyce's "Ulysses" is widely considered to be both a literary masterpiece and one of the hardest works of literature to read. It inspires such devotion that once a year, thousands of people all over the world dress up like the...
TED Talks
Lisa Bu: How books can open your mind
What happens when a dream you've held since childhood ... doesn't come true? As Lisa Bu adjusted to a new life in the United States, she turned to books to expand her mind and create a new path for herself. She shares her unique approach...
TED Talks
TED: The Black history of twerking -- and how it taught me self-love | Lizzo
Twerking is mainstream now ... but do you know where it came from? Superstar Lizzo traces booty shaking to a traditional West African dance and tells how Black women across generations kept the rhythm alive, from blues and jazz singers...
TED Talks
TED: Fashion that celebrates African strength and spirit | Wale Oyejide
To be African is to be inspired by culture and to be filled with undying hope for the future, says designer and TED Fellow Wale Oyejide. With his label Ikire Jones (you'll see their work in Marvel's "Black Panther"), he uses classic...
SciShow
Is There a Safe Way to Use Your Phone and Drive
Using your phone while you're driving isn't a great idea, but people still do it all the time anyway! So why do our brains tell us it's ok to take our attention off the road? Are other distractions, like eating or talking to passengers,...
SciShow
Codependency When Relationships Become Everything
Interpersonal relationships are important to humans, but there are also times when these relationships can be unhealthy.
SciShow
3 Reasons Mosquitoes Suck
Hank gives you at least three reasons to like mosquitoes even less than you do already, and tells you how you can literally decrease world suck by fighting mosquito-borne disease.
Crash Course
How to Argue - Philosophical Reasoning: Crash Course Philosophy
Before we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work).
Bozeman Science
Endosymbiosis
Paul Andersen explains how eukaryotic cells were formed through a process of endosymbiosis. He describes how aerobic bacteria became mitochondria and cyanobacteria became chloroplasts. He mentions an example of symbiosis that occurs...
Crash Course Kids
Who Needs Dirt?
So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt.
Crash Course
P-Hacking - Crash Course Statistics
Today we're going to talk about p-hacking (also called data dredging or data fishing). P-hacking is when data is analyzed to find patterns that produce statistically significant results, even if there really isn't an underlying effect,...
TED-Ed
TED-Ed: The paradox at the heart of mathematics: Gödel's Incompleteness Theorem | Marcus du Sautoy
Consider the following sentence: "This statement is false." Is that true? If so, that would make the statement false. But if it's false, then the statement is true. This sentence creates an unsolvable paradox; if it's not true and it's...