TED-Ed
TED-Ed: The dangers of mixing drugs | Céline Valéry
Which of the following is risky behavior: a person taking cholesterol medicine with grapefruit juice? Or a person taking Acetaminophen before going out for drinks? Or a person on blood thinners who takes an aspirin? Turns out, all of...
Amoeba Sisters
Plants: Diversity, Structure, & Adaptations
Join the Amoeba Sisters in their updated plant structure and adaptations video as they discuss the terms vascular vs nonvascular and how they relate to plants before exploring some general categories of plants (bryophytes, seedless...
TED-Ed
TED-Ed: Can loud music damage your hearing? | Heather Malyuk
After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it's tough to make out their voice over the ringing in your ears. But, by the next morning, the...
Crash Course
Globalization II - Good or Bad Crash Course World History
In which John asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth, and lifted a lot of people out of poverty, it also has some effects that aren't so hot. Wealth disparity,...
TED-Ed
TED-Ed: Game theory challenge: Can you predict human behavior? | Lucas Husted
Given a range of integers from 0 to 100, what would the whole number closest to 2/3 of the average of all numbers guessed be? For example, if the average of all guesses is 60, the correct guess will be 40. The game is played under...
TED-Ed
TED-Ed: Ugly History: The Spanish Inquisition | Kayla Wolf
In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish kingdoms. The inquisition quickly turned its attention to ridding the region of people who were not part...
Amoeba Sisters
Pedigrees
Explore autosomal recessive trait and X-linked recessive trait tracking in pedigrees with the Amoeba Sisters! Table of Contents: Intro 00:00 Introducing Symbols/Numbering in Pedigree 0:40 Meaning of Shading in Shapes 1:19 Introducing...
Amoeba Sisters
Chromosomes and Karyotypes
Explore chromosomes and karyotypes with the Amoeba Sisters! This video explains chromosome structure, how chromosomes are counted, why chromosomes are important, and how they can be arranged in a karyotype! This video also tackles a few...
TED-Ed
TED-Ed: The infamous overpopulation bet: Simon vs. Ehrlich | Soraya Field Fiorio
In 1980, Paul Ehrlich and Julian Simon bet $1,000 on a question with stakes that couldn't be higher: would the earth run out of resources to sustain a growing human population? They bet $200 on the price of five metals. If the price of a...
Bozeman Science
Elementary Reactions
In this video Paul Andersen explains that elementary reactions are steps within a larger reaction mechanism. Colliding molecules require sufficient energy and proper orientation to break bonds and form new bonds. A unimolecular reaction...
TED-Ed
TED-Ed: How the Suez Canal changed the world | Lucia Carminati
Today, nearly 30% of all global ship traffic passes through the Suez Canal, totaling over 20,000 ships in 2021. The site of the canal had been of interest to rulers as far back as the second millennium BCE, but plans to construct a...
TED-Ed
TED-Ed: Is human evolution speeding up or slowing down? | Laurence Hurst
In the past 3,000 years, many populations have evolved genetic adaptations to their local environments. People in Siberia and the high arctic are uniquely adapted to survive extreme cold. The Bajau people can dive 70 meters and stay...
TED-Ed
TED-Ed: The genes you don't get from your parents (but can't live without) | Devin Shuman
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...
Crash Course
Buddha and Ashoka Crash Course World History
In which John relates a condensed history of India, post-Indus Valley Civilization. John explores Hinduism and the origins of Buddhism. He also gets into the reign of Ashoka, the Buddhist emperor who, in spite of Buddhism's structural...
TED-Ed
TED-Ed: Oliver Elfenbaum: How does the stock market work?
In the 1600s, the Dutch East India Company employed hundreds of ships to trade goods around the globe. In order to fund their voyages, the company turned to private citizens to invest money to support trips in exchange for a share of the...
Amoeba Sisters
The Cell Cycle (and cancer) [Updated]
Explore the cell cycle with the Amoeba Sisters and an important example of when it is not controlled: cancer. Table of Contents: 00:00 Intro 1:00 Cell Growth and Cell Reproduction 1:42 Cancer (explaining uncontrolled cell growth) 3:27...
TED-Ed
TED-Ed: Iseult Gillespie: Why is this painting so shocking?
In 1937, in one of the worst civilian casualties of the Spanish Civil War, Fascist forces bombed the village of Guernica in Northern Spain. For Pablo Picasso, the tragedy sparked a frenzied period of work in which he produced a massive...
TED-Ed
TED-Ed: A brief history of plastic | TED-Ed
For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline, they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years, he...
TED-Ed
TED-Ed: Can stereotypes ever be good? | Sheila Marie Orfano and Densho
In 2007, researchers surveyed 180 teachers to understand if they held stereotypes about their students. The most commonly held opinion was that Asian students were significantly more industrious, intelligent, and gentle. This might seem...
TED-Ed
TED-Ed: Which is better: Soap or sanitizer?
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you then touch your face, the virus can infect you. But there are two extraordinarily...
TED Talks
TED: How video games turn players into storytellers | David Cage
Have you ever watched a film or read a novel, wishing that you could change the narrative to save your favorite character? Game designer David Cage allows you do just that in his video games, where players make decisions that shape an...
Crash Course
Ford, Carter, and the Economic Malaise Crash Course US History
In which John Green teaches you about the economic malaise that beset the United States in the 1970s. A sort of perfect storm of events, it combined the continuing decline of America's manufacturing base and the oil shocks of 1973 and...
TED-Ed
TED-Ed: Kenny Coogan: The wild world of carnivorous plants
Around the world there are more than 600 plant species that supplement a regular diet of sunlight, water and soil with insects, frogs and even rats. Flies, tadpoles and beetles fall prey to the remarkable, predatory antics of carnivorous...
TED-Ed
TED-Ed: Can you solve the world’s most evil wizard riddle?
The evil wizard MoldeVort has been trying to kill you for years, and today it looks like he’s going to succeed. But your friends are on their way, and if you can survive until they arrive, they should be able to help stop him. Can you...