SciShow
How Do Curveballs Change Direction in Midair?
It’s amazing how professional baseball players can throw very fast curveballs, but do you know how do curveballs change direction in midair?
MinuteEarth
Why Does Wine Make Your Mouth Feel Dry?
Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into leather. ___________________________________________ If you want to...
TED Talks
Dean Ornish: Your genes are not your fate
Dean Ornish shares new research that shows how adopting healthy lifestyle habits can affect a person at a genetic level. For instance, he says, when you live healthier, eat better, exercise, and love more, your brain cells actually...
SciShow
The Latest From Mars: Day 2
Hank briefs us on the current status of the Mars Science Laboratory, and gives us a taste of what we can hope to see coming from it in the next few months, and during the rest of its two year mission.
TED Talks
TED: 4 steps to ending extreme poverty | Shameran Abed
At least 400 million people worldwide live in ultra-poverty: a state of severe financial and social vulnerability that robs many of hope and dignity. At BRAC, an international development organization focused on fighting poverty,...
TED Talks
TED: Cloudy with a chance of joy | Gavin Pretor-Pinney
You don't need to plan an exotic trip to find creative inspiration. Just look up, says Gavin Pretor-Pinney, founder of the Cloud Appreciation Society. As he shares charming photos of nature's finest aerial architecture, Pretor-Pinney...
SciShow
Why Some Countries Are Delaying COVID Booster Shots
Some countries are planning to wait up to 12 weeks to administer second doses of COVID-19 vaccines. Will this slow the virus?
TED Talks
Anindya Kundu: The "opportunity gap" in US public education -- and how to close it
How can we tap into the potential of all students, especially those who come from disadvantaged backgrounds? Sociologist Anindya Kundu invites us to take a deeper look at the personal, social and institutional challenges that keep...
TED Talks
TED: Asking for help is a strength, not a weakness | Michele L. Sullivan
We all go through challenges -- some you can see, most you can't, says Michele L. Sullivan. In a talk about perspective, Sullivan shares stories full of wit and wisdom and reminds us that we're all part of each other's support systems....
TED Talks
Sakena Yacoobi: How I stopped the Taliban from shutting down my school
When the Taliban closed all the girls' schools in Afghanistan, Sakena Yacoobi set up new schools, in secret, educating thousands of women and men. In this fierce, funny talk, she tells the jaw-dropping story of two times when she was...
TED Talks
Joseph Gordon-Levitt: How craving attention makes you less creative
Joseph Gordon-Levitt has gotten more than his fair share of attention from his acting career. But as social media exploded over the past decade, he got addicted like the rest of us -- trying to gain followers and likes only to be left...
TED Talks
Morley: "Women of Hope"
Inspired by Aung San Suu Kyi's call to action, "If you're feeling helpless, help someone," Morley composed this song. She sings it at TEDxWomen in her gorgeous, warm voice.
TED Talks
Marc Koska: 1.3m reasons to re-invent the syringe
Reuse of syringes, all too common in under-funded clinics, kills 1.3 million each year. Marc Koska clues us in to this devastating global problem with facts, photos and hidden-camera footage. He shares his solution: a low-cost syringe...
TED Talks
Kare Anderson: Be an opportunity maker
We all want to use our talents to create something meaningful with our lives. But how to get started? (And ... what if you're shy?) Writer Kare Anderson shares her own story of chronic shyness, and how she opened up her world by helping...
TED Talks
TED: Are you a giver or a taker? | Adam Grant
In every workplace, there are three basic kinds of people: givers, takers and matchers. Organizational psychologist Adam Grant breaks down these personalities and offers simple strategies to promote a culture of generosity and keep...
SciShow
A Deadly Mistake That Led to Safer Medicine | Elixir Sulfanilamide
In the 1930s, a mistake that cost over a hundred lives helped usher in a new era of safer medicine.
TED Talks
Jason Fried: Why work doesn't happen at work
Jason Fried has a radical theory of working: that the office isn't a good place to do it. He calls out the two main offenders (call them the M&Ms) and offers three suggestions to make the workplace actually work.
Bozeman Science
Conservation of Charge in Reactions
In this video Paul Andersen explains how the charge is conserved in nuclear reactions. When elementary particles are created or destroyed in a reaction the net change in charge will remain constant. Alpha, beta -, and beta+ decay are...
TED-Ed
TED-Ed: What is a gift economy? - Alex Gendler
What if, this holiday season, instead of saying "thank you" to your aunt for her gift of a knitted sweater, the polite response expected from you was to show up at her house in a week with a better gift? Or to vote for her in the town...
SciShow
HIV vs. AIDS & Ash the Chinchilla: SciShow Talk Show #19
Clinical Sexologist and Sexplanations Host Lindsey Doe teaches Hank the difference between HIV and AIDS. Then Chinchilla Ash teaches Hank about softness. Chapters View all LINDSEY DOE 0:19 IMMUNODEFICIENCY 2:38 STAGE 1: ACUTE INFECTION...
Bozeman Science
LS3B - Variation of Traits
In this video Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...
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
Why We Respond to Disasters with Altruism
The idea that humans react to disasters by losing control and acting selfishly is all too prevalent, especially in movies and television. But recent studies on altruism may provide evidence that this isn’t always the case, and this...
Crash Course
Markets, Efficiency, and Price Signals: Crash Course Economics
Adriene and Jacob teach you all about markets. So, in free market(ish) economies like the United States and most of the world, markets are a big deal. Markets work to produce the stuff that consumers want, and that society needs. Today...