Crash Course
The Parable of the Sower: Crash Course Literature 406
This week, John is teaching you about the near-future dystopia in Octavia Butler's Parable of the Sower. Parable of the Sower tells the story of Lauren Oya Olamina, and her life growing up in a post-climate change, semi-lawless America....
TED Talks
TED: A feminist reimagining of Kenya's public transport | Naomi Mwaura
Kenya's minibuses -- known as "matatus" -- offer a convenient, affordable and colorful way for people to get around. But they also pose safety risks and accessibility issues for many of their passengers, especially women. Bringing a...
SciShow
We Found Evidence of a Brand-New Particle | Space News
X-rays leaking from dead stars could breathe new life into a hypothetical particle theory, plus an ancient Titanic force may have helped twist Saturn’s axis.
Bozeman Science
LS4B - Natural Selection
In this video Paul Andersen defines natural selection as differential reproductive success. He then explains how natural selection shapes organisms on our planet through variation and selection. A K-12 teaching progression is also included.
SciShow
3 Neat Facts About Narwhals (Including: They're Real!)
In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on...
TED Talks
TED: I love being a police officer, but we need reform | Melvin Russell
We've invested so much in police departments as protectors that we have forgotten what it means to serve our communities, says Baltimore Police officer Lt. Colonel Melvin Russell. It's led to coldness and callousness, and it's...
TED Talks
Ory Okolloh: How I became an activist
Ory Okolloh tells the story of her life and her family -- and how she came to do her heroic work reporting on the doings of Kenya's parliament.
TED Talks
Karen Armstrong: Let's revive the Golden Rule
Weeks from the Charter for Compassion launch, Karen Armstrong looks at religion's role in the 21st century: Will its dogmas divide us? Or will it unite us for common good? She reviews the catalysts that can drive the world's faiths to...
TED Talks
Ric Elias: 3 things I learned while my plane crashed
Ric Elias had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What went through his mind as the doomed plane went down? At TED, he tells his story publicly for the first time.
TED Talks
TED: My solar-powered adventure | Bertrand Piccard
For the dawn of a new decade, adventurer Bertrand Piccard offers us a challenge: Find motivation in what seems impossible. He shares his own plans to do what many say can't be done -- to fly around the world, day and night, in a...
Bozeman Science
Thinking in Energy - Level 3 - Energy and Energy Transfer
In this video Paul Andersen shows conceptual thinking in a mini-lesson on energy and energy transfer. TERMS Energy - the ability to cause change Object - a material thing that can be seen and touched Transfer - the conversion of one form...
TED Talks
Liza Donnelly: Drawing on humor for change
New Yorker cartoonist Liza Donnelly shares a portfolio of her wise and funny cartoons about modern life -- and talks about how humor can empower women to change the rules.
SciShow
5 Ways Humans Have Changed The Earth
We are approaching a whole new era! . . .or at least a new epoch. Michael Aranda explains how humans are leaving their mark on the Geologic Time Scale.
TED Talks
TED: Why ordinary people need to understand power | Eric Liu
Far too many Americans are illiterate in power — what it is, how it operates and why some people have it. As a result, those few who do understand power wield disproportionate influence over everyone else. "We need to make civics sexy...
SciShow
Why Are These Bees STABBING Plants?
Humans know a lot about bees, seeing as they impact both our ecology and our economy. But there's something about bumble bees that we totally missed until recently; a super weird and mysterious behavior that might give them a leg up in...
TED Talks
TED: Make your actions on climate reflect your words⇥ | Severn Cullis-Suzuki
History has shown us that in moments of crisis, society can truly transform, says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the...
TED Talks
TED: Got millet? How marketing could improve the lives of African farmers | Zoë Karl-Waithaka
From "got milk?" to "avocados from Mexico," marketing influences what you eat more than you may realize. But despite the known power of food marketing, farmers in Africa are more likely to receive funding for seed and fertilizer than...
SciShow
There Are Mountains Deep Within the Earth
Scientists think they’ve discovered some peaks taller than Mt Everest deep beneath the earth’s crust, and this range might be the key to one of the biggest mysteries in geology!
3Blue1Brown
Higher order derivatives | Essence of calculus, chapter 10
What is the second derivative? Third derivative? How do you think about these?
Crash Course
Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38
Can we change the blueprints of life? This week we are exploring that question with genetic engineering. We’ll discuss how selective breeding can improve agricultural practices, and the potential DNA-level engineering could have on other...
Crash Course
Minimum Viable Product and Pivoting Crash Course Business Entrepreneurship
Imagine if the only videos on YouTube were people looking for love. That could have been the world we lived in! Before it had 1.9 billion users per day, YouTube started as a video-based dating service, complete with the truly excellent...
TED Talks
Edi Rama: Take back your city with paint
Make a city beautiful, curb corruption. Edi Rama took this deceptively simple path as mayor of Tirana, Albania, where he instilled pride in his citizens by transforming public spaces with colorful designs.
SciShow
8 Useful Technologies Inspired by Nature
We're pretty good at inventing things, but stealing from nature is a great way to solve some problems!