Crash Course
Nomenclature - Crash Course Chemistry
Ever feel like there's a international team of bad guys changing all of the easily remembered chemical names and turning them into test-failing, number-infused, pain in the neck names? Well... you're not wrong. IUPAC exists but try to...
TED Talks
TED: Why being respectful to your coworkers is good for business | Christine Porath
Looking to get ahead in your career? Start by being respectful to your coworkers, says leadership researcher Christine Porath. In this science-backed talk, she shares surprising insights about the costs of rudeness and shows how little...
TED Talks
Tony Luciani: A mother and son's photographic journey through dementia
Artist Tony Luciani was testing out a new camera when his 91-year-old mother, Elia, snuck into the background of his photos. The spontaneous images that resulted sparked a years-long collaboration, with Luciani documenting his mom's life...
TED Talks
TED: Don't feel sorry for refugees -- believe in them | Luma Mufleh
We have seen advances in every aspect of our lives -- except our humanity, says Luma Mufleh, a Jordanian immigrant and Muslim of Syrian descent who founded the first accredited school for refugees in the United States. Mufleh shares...
PBS
Is Sad Music Actually Sad?
Be it Elliott Smith or Queen, classical or dub step, there's usually a clear understanding that some songs are sad, and some songs are happy. But what is it about the music that makes us feel these feelings we're feeling?
TED-Ed
TED-ED: The origin of countless conspiracy theories - PatrickJMT
Why can we find geometric shapes in the night sky? How can we know that at least two people in London have exactly the same number of hairs on their head? And why can patterns be found in just about any text - even Vanilla Ice lyrics?...
TED-Ed
TED-ED: How sugar affects the brain - Nicole Avena
When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of...
TED Talks
Jeff Hancock: The future of lying
Who hasn’t sent a text message saying “I’m on my way” when it wasn’t true or fudged the truth a touch in their online dating profile? But Jeff Hancock doesn’t believe that the anonymity of the internet encourages dishonesty. In fact, he...
TED Talks
TED: How to take a picture of a black hole | Katie Bouman
At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event horizon casts a shadow, and an image of...
TED Talks
TED: The virginity fraud | Nina Dolvik Brochmann and ellen Stokken Dahl
The hymen is still the most misunderstood part of the female body. Nina Dolvik Brochmann and ellen Stokken Dahl share their mission to empower young people through better sex education, debunking the popular (and harmful) myths we're...
TED-Ed
TED-Ed: Ethical dilemma: Would you lie? | Sarah Stroud
Your plan to set up your friend Carey with your acquaintance Emerson is finally coming together. You've made them a dinner reservation, but suddenly realize that there's a problem: Carey is always late. You really want this relationship...
TED Talks
TED: Do kids think of sperm donors as family? | Veerle Provoost
How do we define a parent -- or a family? Bioethicist Veerle Provoost explores these questions in the context of non-traditional families, ones brought together by adoption, second marriages, surrogate mothers and sperm donations. In...
TED Talks
Christer Mjåset: 4 questions you should always ask your doctor
"Doctor, is this really necessary?" Backed by startling statistics about overtreatment, neurosurgeon Christer Mjåset explains the power of this and other simple questions in the context of medical treatment and surgery -- and shares how...
TED Talks
Erin McKean: The joy of lexicography
Is the beloved paper dictionary doomed to extinction? In this infectiously exuberant talk, leading lexicographer Erin McKean looks at the many ways today's print dictionary is poised for transformation.
TED-Ed
TED-Ed: Why can parrots talk? | Grace Smith-Viduarre and Tim Wright
Whether they're belting Beyoncé, head-banging to classic rock, or rattling off curse words at zoo-goers, parrots are constantly astounding us. They are among the only animals that produce human speech, and some parrots do it almost...
Crash Course
How Does Language Move? Crash Course Geography
While we can’t explore every cultural trait in the world, language is an important system of spoken, signed, or written symbols humans use to express themselves. It’s a major marker of identity that often unites members of the same...
TED Talks
TED: The taboo secret to better health | Molly Winter
Our poop and pee have superpowers, but for the most part we don't harness them. Molly Winter faces down our squeamishness and asks us to see what goes down the toilet as a resource, one that can help fight climate change, spur innovation...
SciShow
Do Doorways Actually Make Us Forget Things?
Have you ever forgotten why you walked into a room? Turns out it's just your brain doing its job.
TED-Ed
TED-Ed: Why is there a "b" in doubt? - Gina Cooke
Say the word "doubt" aloud. What is that "b" doing there? Does it have any purpose? Gina Cooke explains the long and winding history of "doubt" and why the spelling, though it seems random, is a wink to its storied past.
SciShow
Why Is There an Opioid Crisis?
Last week, the opioid epidemic was declared a "public health emergency' in the United States, but what are opioids, and why is the way they interact with the human brain potentially so dangerous?
Bozeman Science
Multistep Reactions
In this video Paul Andersen explains how an overall chemical reaction is made up of several elementary steps. The stoichiometry of this equation can be predicted but the rate law must be measured. If the elementary steps of the reaction...
SciShow
Could Naked Singularities Exist?
A naked singularity is something that should be a black hole, but it’s neither black nor a hole. If they exist, they’ll rewrite physics as we know it.
TED Talks
Clint Smith: The danger of silence
We spend so much time listening to the things people are saying that we rarely pay attention to the things they don't, says poet and teacher Clint Smith. A short, powerful piece from the heart, about finding the courage to speak up...
TED Talks
Soraya Chemaly: The power of women's anger
Anger is a powerful emotion -- it warns us of threat, insult, indignity and harm. But across the world, girls and women are taught that their anger is better left unvoiced, says author Soraya Chemaly. Why is that, and what might we lose...