TED Talks
TED: How can we escape soaring energy bills? Stop using fossil fuels | Tessa Khan
As oil and gas companies continue to make record profits off of the same forces driving climate chaos, war and soaring energy bills, it's become clear that boom times for the fossil fuel industry are bad times for the rest of us, says...
Crash Course
Europe in the Global Age: Crash Course European History
In which John looks at what it even means to live in a global age, as we've been talking about Europe's role in the gobal community for 47 episodes now. But, pedantry aside, the world is more connected than ever, and that has had effects...
TED Talks
TED: How to use data to make a hit TV show | Sebastian Wernicke
Does collecting more data lead to better decision-making? Competitive, data-savvy companies like Amazon, Google and Netflix have learned that data analysis alone doesn't always produce optimum results. In this talk, data scientist...
TED Talks
TED: The renewable heating system right below your feet | Kathy Hannun
Of all the mundane yet astonishing marvels of human ingenuity, knowing what it takes to heat a room to a comfortable temperature is TED Fellow Kathy Hannun's favorite. She takes us on a journey across the planet and under the sea to...
SciShow
The New Gel That Regrows Brains
A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement!
SciShow
The Milky Way May Have a Disk of Black Holes
Computer models are helping scientists on the hunt for small black holes and new data is giving us a better understanding of the universe’s largest explosions.
Crash Course
Why Human Ancestry Matters: Crash Course Big History 205
This week, Emily Graslie is teaching you about human ancestry and geneaology, how we got to be the species we are, and why that matters in our zoomed out look at Big History.
TED Talks
TED: Could fish social networks help us save coral reefs? | Mike Gil
Mike Gil spies on fish: using novel multi-camera systems and computer vision technology, the TED Fellow and his colleagues explore how coral reef fish behave, socialize and affect their ecosystems. Learn more about how fish of different...
SciShow
The Future of Life in the Solar System
In five billion years, the Sun's going to evolve into a red giant. That's bad news for Earth, but exciting for some of the worlds a little farther out.
TED-Ed
TED-ED: When will the next ice age happen? - Lorraine Lisiecki
Throughout Earth's history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth...
SciShow
What Makes Satisfying Videos Satisfying?
You might have stumbled onto those videos of people cutting sand for 10 minutes or of machines doing a repetitive task and felt an odd sense of satisfaction while watching them. Today, we look at the psychology behind those "oddly...
SciShow
Living Fossils Are Dead! Long Live Living Fossils
Scientists are looking to end how we categorize living fossils, and in doing so, give the phrase new life.
Bozeman Science
Archaea
In this video Paul Andersen describes the defining characteristics of members in the domain archaebacteria. He starts with a brief description of the phylogeny of this group. He then describes the major characteristics on an archaea,...
TED Talks
TED: The awesome potential of many metaverses | Agnes Larsson
In the multitude of metaverses that exist there are infinite possibilities for inclusivity and creativity. Inviting us to craft our own digital universes, Minecraft's game director Agnes Larsson shares how the experience of building and...
3Blue1Brown
How secure is 256 bit security? Cryptocurrency - Part 2 of 2
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
TED Talks
Andrew Forrest: A radical plan to end plastic waste
Plastic is an incredible substance for the economy -- and the worst substance possible for the environment, says entrepreneur Andrew Forrest. In a conversation meant to spark debate, Forrest and head of TED Chris Anderson discuss an...
TED Talks
TED: How your nature photos can help protect wild animals | Tanya Berger-Wolf
We're losing animal and plant species at such a swift, unprecedented rate that it's nearly impossible to keep up. Computational biologist Tanya Berger-Wolf demonstrates how harnessing the power of artificial intelligence and one of the...
SciShow Kids
Mary Anning: Fossil Hunter | Science for Kids
Everybody loves dinosaurs, and we wouldn't know nearly as much as we do if it weren't for a person named Mary Anning.
SciShow
Bacteria and Viruses Are Raining Down on Us All the Time
While you probably aren’t going to get sick from just being outside in all this microbe rain, pathogenic organisms ARE raining down on us all the time, everywhere!
SciShow
The Birds That Lived in The Age of Dinosaurs
While we know that birds are the descendants of dinosaurs, we don't think much about the ones that lived alongside them, and they are a hot topic amongst paleontologists today.
TED-Ed
TED-ED: How does the immune system work? - Emma Bryce
Inside you, a daily battle is being waged and your immune system is at the frontline. Most of the time, you may not even notice it's there, but over the course of your life your immune system will guard you against hundreds of...
TED Talks
TED: 3 questions to ask yourself about US citizenship | Jose Antonio Vargas
At age 16, journalist and filmmaker Jose Antonio Vargas found out he was in the United States illegally. Since then, he's been thinking deeply about immigration and what it means to be a US citizen -- whether it's by birth, law or...
TED-Ed
TED-Ed: Philip A. Chan: How close are we to eradicating HIV?
The world is getting closer to achieving one of the most important public health goals of our time: eradicating HIV. And to do this, we won't even have to cure the disease. We simply have to stop HIV from being transmitted until...
TED-Ed
TED-Ed: Why can't we see evidence of alien life? - Chris Anderson
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question...