SciShow
Could Life Survive Without a Star?
There are billions of planets out there that don't orbit stars. The sheer abundance of these planets has led some scientists to wonder if life could emerge without a star.
TED Talks
TED: Don't regret regret | Kathryn Schulz
We're taught to try to live life without regret. But why? Using her own tattoo as an example, Kathryn Schulz makes a powerful and moving case for embracing our regrets.
TED Talks
Howard Rheingold: The new power of collaboration
Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really an outgrowth of our natural human instinct to work as a group.
TED Talks
TED: Don't fail fast -- fail mindfully | Leticia Gasca
We celebrate bold entrepreneurs whose ingenuity led them to success, but what happens to those who fail? Far too often, they bury their stories out of shame or humiliation -- and miss out on a valuable opportunity for growth, says author...
Crash Course
The Rise of Conservatism Crash Course US History
In which John Green teaches you about the rise of the conservative movement in United States politics. So, the sixties are often remembered for the liberal changes that the decade brought to America, but lest you forget, Richard Nixon...
TED Talks
TED: 3 questions to ask yourself about everything you do | Stacey Abrams
How you respond after setbacks is what defines your character. Stacey Abrams was the first black woman in the history of the United States to be nominated by a major party for governor -- she lost that hotly contested race, but as she...
SciShow
Is Coffee Disappearing... or Will It Just Taste Different?
Many of us rely on a morning cup of coffee, or several morning cups of coffee, to get us going. But climate change has the potential to shift not only where and how we grow coffee, but whether it can be grown at all.
SciShow
The Most Sophisticated Mirror in the Universe
Hank summarizes the five reasons why infrared telescopes were supposed to be impossible to build, and then describes how a team of scientists and engineers overcame those obstacles to build the James Webb Space Telescope.
TED Talks
Keren Elazari: Hackers: the Internet's immune system
The beauty of hackers, says cybersecurity expert Keren Elazari, is that they force us to evolve and improve. Yes, some hackers are bad guys, but many are working to fight government corruption and advocate for our rights. By exposing...
SciShow
The Hunt for the Highest Melting Point
What has the highest melting point known to us? Hank Green explains in this episode of SciShow.
SciShow
Electromagnetism - Magnetic Force: The Four Fundamental Forces of Physics #4b
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the universe
TED Talks
TED: Life in Biosphere 2 | Jane Poynter
Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2 -- an experience that provoked her to explore how we might sustain life in the harshest of environments.
SciShow
A Brief History of Birth Control
Gym teacher Hank gives us the full story of the past, present, and future of birth control.
TED Talks
TED: What we're missing in the debate about immigration | Duarte Geraldino
Between 2008 and 2016, the United States deported more than three million people. What happens to those left behind? Journalist Duarte Geraldino picks up the story of deportation where the state leaves off. Learn more about the wider...
SciShow
Flowers, Bees, and... Yeast? It's a Pollination Love Triangle!
Bees and flowers are as classic a pair as peanut butter and jelly. But recent research suggests there's a third, much tinier partner in this relationship!
SciShow
Do You Really Have a New Body Every 7 Years?
You may have heard the rumor. Every seven years your body becomes a whole new person. But is there anything to this? Check out this SciShow episode to find out!
TED-Ed
TED-Ed: How to use a semicolon - Emma Bryce
It may seem like the semicolon is struggling with an identity crisis. It looks like a comma crossed with a period. Maybe that's why we toss these punctuation marks around like grammatical confetti; we're confused about how to use them...
SciShow
Why Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
SciShow
Why is Indigo in the Rainbow?
Indigo may be a very vague and unnecessary color, but it has an interesting history that involves some plants, turmoil, and Isaac Newton's interest in the number seven.
SciShow
Are We Ready to Edit the Fetal Genome?
Gene therapy is really complicated both scientifically and ethically. But it also has the potential to do some amazing things - like treating life threatening diseases in babies before they are even born.
Be Smart
Does The Moon Really Orbit The Earth?
According to Newton's law of gravitation, the sun should "pull" way harder on the moon than the Earth does. So does the moon actually orbit the Earth? Why?
SciShow
Why Aren't There Giant Insects
Hank and physiologist Jon Harrison discuss the question of insect size and major theories that attempt to explain why there is a limit to how large insects can get with current conditions on Earth.
SciShow
Noise Pollution Is a Bigger Deal Than Youd Think
Humans make a lot of noise! Transportation, industries, & how we work and play in natural spaces all have an impact on the sound we put out every day, and all this noise pollution is disrupting how animals use sound to communicate.
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...