TED Talks
TED: How Mars might hold the secret to the origin of life | Nathalie Cabrol
While we like to imagine little green men, it's far more likely that life on other planets will be microbial. Planetary scientist Nathalie Cabrol takes us inside the search for microbes on Mars, a hunt which counterintuitively leads us...
TED Talks
TED: How to decarbonize the grid and electrify everything | John Doerr and Hal Harvey
The good news is it's now clearly cheaper to save the planet than to ruin it, says engineer and investor John Doerr. "The bad news is: we are fast running out of time." In this conversation with climate policy expert Hal Harvey, the two...
TED Talks
Peter Ward: A theory of Earth's mass extinctions
Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...
SciShow
SciShow Quiz Show with Phil Plait
Hank squares off against Crash Course Astronomy host Phil Plait in our special Valentine’s/Old Timey Medicine edition of SciShow Quiz Show!
TED Talks
TED: Let's save the last pristine continent | Robert Swan
2041 will be a pivotal year for our planet. That year will mark the end of a 50-year agreement to keep Antarctica, the Earth's last pristine continent, free of exploitation. Explorer Robert Swan — the first person to walk both the North...
TED Talks
TED: Making matter come alive | Lee Cronin
Before life existed on Earth, there was just matter, inorganic dead "stuff." How improbable is it that life arose? And -- could it use a different type of chemistry? Using an elegant definition of life (anything that can evolve), chemist...
PBS
5 Ways to Stop a Killer Asteroid
When it comes to dangerous asteroids striking Earth, it's not a matter of if, it's a matter of when. We have begun to track projectiles large enough to destroy our planet, and we are in the clear for the foreseeable future. However,...
TED Talks
Kishore Mahbubani: How the West can adapt to a rising Asia
As Asian economies and governments continue to gain power, the West needs to find ways to adapt to the new global order, says author and diplomat Kishore Mahbubani. In an insightful look at international politics, Mahbubani shares a...
TED Talks
Norman Foster: My green agenda for architecture
Architect Norman Foster discusses his own work to show how computers can help architects design buildings that are green, beautiful and "basically pollution-free." From the 2007 DLD Conference, Munich; www.dld-conference.com
TED Talks
TED: How humans could evolve to survive in space | Lisa Nip
If we hope to one day leave Earth and explore the universe, our bodies are going to have to get a lot better at surviving the harsh conditions of space. Using synthetic biology, Lisa Nip hopes to harness special powers from microbes on...
TED Talks
TED: The case for fish farming | Mike Velings
We're headed towards a global food crisis: Nearly 3 billion people depend on the ocean for food, and at our current rate we already take more fish from the ocean than it can naturally replace. In this fact-packed, eye-opening talk,...
TED Talks
Louise Leakey: A dig for humanity's origins
Louise Leakey asks, "Who are we?" The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind -- and suggests a stunning new vision of our competing ancestors.
TED Talks
TED: Why I still have hope for coral reefs | Kristen Marhaver
Corals in the Pacific Ocean have been dying at an alarming rate, particularly from bleaching brought on by increased water temperatures. But it's not too late to act, says TED Fellow Kristen Marhaver. She points to the Caribbean -- given...
TED Talks
TED: Questioning the universe | Stephen Hawking
In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
Bozeman Science
ESS1C - The History of the Earth
In this video Paul Andersen explains in more detail the history of the Earth. He shows how the history of the Earth is written in the rocks that are built up over time. Fossils allow us to compare different rock layers relative to one...
Curated Video
Big Bang Theory
Discover one theory about a single event over 13.8 billion years ago, that might have created our Universe. Physics - Universe - Learning Points. The Big Bang took place over 13.8 billion years ago. The Big Bang caused our Universe to...
Curated Video
What is the Universe?
Everything that you see, hear, smell and feel is part of the Universe. Our universe - Story of life - What is the Universe? Learning Points Everything on Earth and everything in space is part of the Universe. A Twig Junior Film - Core...
Curated Video
Our solar system
The Earth is one of the eight planets in our Solar System. Our universe - Space adventure - Our solar system Learning Points The Sun is at the centre of the Solar System. The planets, including the Earth, orbit around the Sun. There are...
Curated Video
Life on Earth - Evolution of Life
Life on Earth has been changing for billions of years. Our universe - Story of life - Life on Earth Learning Points Life has been on Earth for a very long time, but humans only evolved very recently by comparison. A Twig Junior Film -...
Curated Video
Discover Which Planets Have Northern Lights! | Solar System Song For Kids
let's learn more about the northern lights!
Curated Video
Kepler 1649c - Earth Sized Exoplanet | Goldilocks Zone Planet Songs
Learn about Kepler 1649c -- an earth sized exoplanet in the Goldilocks Zone of its star -- with this planet learning song by KLT!
Curated Video
The Planet Earth | Space Explained by KLT!
Learn the planet Earth song with the Planet Earth Song by the KLT
Curated Video
The Geosphere
The Geosphere examines the three layers of Earth's geosphere by discussing each layer and its relation to the others.
Curated Video
Differences in the Brightness of the Sun Compared with Other Stars
An explanation and model illustrating that differences in the apparent brightness of the sun compared to other stars are due to their relative distances from the Earth. Using the power of storytelling and cutting-edge technology learners...