TED Talks
Edward Burtynsky: Photographing the landscape of oil
In stunning large-format photographs, Edward Burtynsky follows the path of oil through modern society, from wellhead to pipeline to car engine -- and then beyond to the projected peak-oil endgame.
TED Talks
Justin Hall-Tipping: Freeing energy from the grid
What would happen if we could generate power from our windowpanes? In this moving talk, entrepreneur Justin Hall-Tipping shows the materials that could make that possible, and how questioning our notion of 'normal' can lead to...
Amoeba Sisters
Carbon and Nitrogen Cycles
Explore the cycling of carbon among carbon reservoirs! Then discover the importance of nitrogen, essential for amino acids and nucleotides, and learn about the nitrogen cycle! Expand details for table of contents. Table of Contents:...
SciShow
The Virus Eaters
Viruses are really tiny, so you might think nothing could survive on a virus-based diet. But, according to a growing body of research, the right kind of microorganism can!
Crash Course
High Mass Stars
Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge...
TED Talks
TED: What farmers need to be modern, climate-friendly and profitable | Beth Ford
TED talks about what farmers need to be modern, climate-friendly and profitable
TED-Ed
TED-Ed: What if there were 1 trillion more trees? | Jean-François Bastin
Today humanity produces more than 1,400 tons of carbon every minute. To combat climate change, we need to reduce fossil fuel emissions, and draw down excess CO2 to restore the balance of greenhouse gases. Like all plants, trees consume...
SciShow
The Sweetest Rocks in Space
Sugars aren’t just for munching and crunching, they also make up our genetic code! So what does it mean to find sugars INSIDE meteorites?
Crash Course
Determining SN1, SN2, E1, and E2 Reactions: Crash Course Organic Chemistry
Organic chemistry isn’t that different from an adventure game, with substrates as characters, nucleophiles as magic potions, and reaction conditions as different magical kingdoms. In this episode of Crash Course Organic Chemistry, we’ll...
SciShow
Big Idea: Gunpowder
Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.
SciShow
3 Weird Meteorites (Whose Weirdness Was Instructive)
Meteorites are extraterrestrial rocks that have ended up on earth. All of them are literally 'out of this world,' but here are three of the strangest of these aliens.
Be Smart
How Many Trees Are There?
It may be an impossible questions, but we can at least get close.
TED Talks
TED: A crash course in organic chemistry | Jakob Magolan
Jakob Magolan is here to change your perception of organic chemistry. In an accessible talk packed with striking graphics, he teaches us the basics while breaking the stereotype that organic chemistry is something to be afraid of.
TED Talks
TED: How to fix the "bugs" in the net-zero code | Lucas Joppa
Lucas Joppa, Microsoft's first chief environmental officer, thinks about climate change through the lens of coding, and he says the world's current net-zero approach simply won't compute. So how do we create a system that actually...
SciShow
Interview with EPA Administrator McCarthy
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...
Be Smart
Title: The Recipe For Life
If the human body could be distilled down into one molecule, what would our chemical formula be? And WHY is it that way? There’s a whole lot of elements on the periodic table, but life depends on relatively few of them in order to...
TED Talks
TED: How biochar removes CO2 from the air -- and helps farmers thrive | Axel Reinaud
Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it's made. This exciting climate change fighter is ready for...
Bozeman Science
Chemical Analysis
In this video Paul Andersen explains how chemical analysis is important in determining the composition, purity and empirical formula of a compound. An empirical formula determination problem is also included.
TED Talks
TED: How Ikea is growing its business while shrinking emissions | Jesper Brodin and Pia Heidenmark Cook
IKEA currently makes up 0.1 percent of all global carbon emissions -- but by 2030, they're planning to be carbon negative across their business. Discussing new thinking about the lifespan of their products, from the forest to the...
SciShow
Carbon on the Moon Hints That It Didn’t Form Like We Thought | SciShow News
The idea that the Moon is a blown-off chunk of the Earth is known as the giant impact hypothesis - but the presence of carbon on the Moon throws this hypothesis into question.
SciShow
The 100-Year Mystery of the Diffuse Interstellar Bands
Diffuse interstellar bands were first discovered in 1919 and since then scientists have found nearly 500 of them. How many do we understand? Only one.
SciShow
Cyborg Eyes and Stumpy the Dumpy Tree Frog: SciShow Talk Show #11
SciShow graphics guy Louey Winkler discusses LED contact lenses and the implications of enhancing and assisting human beings with technology, and then attempts to stump Hank with a physics riddle. Jessi from Animal Wonders shares Stumpy...
SciShow
What Does "Organic" Mean, and Should You Buy Organic Foods?
There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.