TED Talks
Lisa Margonelli: The political chemistry of oil
Speaking one month after the massive Gulf of Mexico oil spill, Lisa Margonelli shows how drilling moratoriums and executive ousters make for good theater, but distract us from the issue at heart: our unrestrained oil consumption. She...
TED Talks
Eben Bayer: Are mushrooms the new plastic?
Product designer Eben Bayer reveals his recipe for a new, fungus-based packaging material that protects fragile stuff like furniture, plasma screens -- and the environment.
SciShow
Why Our Brains Love Junk Food
Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.
TED Talks
TED: The energy Africa needs to develop -- and fight climate change | Rose M. Mutiso
In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.
TED Talks
James Howard Kunstler: The ghastly tragedy of the suburbs
In James Howard Kunstler's view, public spaces should be inspired centers of civic life and the physical manifestation of the common good. Instead, he argues, what we have in America is a nation of places not worth caring about.
SciShow
The Fermi Paradox and Our Search for Alien Life
At least some advanced civilizations might be producing tons of waste heat by now. And researchers are looking for them.
TED Talks
TED: How to transform apocalypse fatigue into action on global warming | Per espen Stoknes
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...
SciShow
Motor Proteins: Tiny Pirates in Your Cells
To some they look like bow-legged cowboys. To others, swaggering pirates. Either way, the two-legged molecules known as motor proteins are what get the job of living done in most of your cells.
Amoeba Sisters
Biomolecules (Updated)
This video focuses on general functions of biomolecules. The biomolecules: carbs, lipids, proteins, and nucleic acids, can all can have important functions in the body. However, this video is not giving human dietary guidelines and...
SciShow
Motor Proteins Tiny Pirates in Your Cells
To some they look like bow-legged cowboys. To others, swaggering pirates. Either way, the two-legged molecules known as motor proteins are what get the job of living done in most of your cells.
TED Talks
TED: The fastest way to slow climate change now | Ilissa Ocko
Cutting methane is the single fastest, most effective opportunity to reduce climate change risks in the near term, says atmospheric scientist Ilissa Ocko. That's because, unlike carbon dioxide, methane's warming power doesn't come from a...
Bozeman Science
Electromagnetic Forces
In this video Paul Andersen explains how electromagnetic forces are exerted over all scales and dominate at the human scale. The magnitude of electromagnetic forces vary with the magnitude and motion of the electric charges involved.
TED Talks
Crush Club: "My Man" / "Bohanna" / "We Dance"
Indie pop duo Crush Club and singer Nicki B bring their blend of funk, house and Latin styles to the TED stage, performing three songs: "My Man," "Bohanna" and "We Dance."
TED Talks
Paul Gilding: The Earth is full
Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.
SciShow
How Long Can Humans Outrun Extinction?
In a few million years, we’re going to have to leave Earth if we want to survive. But how long can we actually outrun extinction before the universe becomes uninhabitable to us?
SciShow
This Star Just Won't Stop Exploding!
M31N 2008-12a is a rare phenomenon called a recurrent nova, and it may hold the key to understanding the lives and cataclysmic deaths of massive stars.
TED Talks
TED: My stroke of insight | Jill Bolte Taylor
Jill Bolte Taylor got a research opportunity few brain scientists would wish for: She had a massive stroke, and watched as her brain functions -- motion, speech, self-awareness -- shut down one by one. An astonishing story.
SciShow
The Mosquito That Doesn’t Bite You, Even Though It Could
If you know one thing about mosquitoes, it’s probably their lust for blood. But there’s actually one species that almost never bites, even though it can. Could finding out why help us combat blood-borne diseases?
Be Smart
Musical Tesla Coils in Slow Motion! Featuring Physics Girl
The future of music is electric.
TED Talks
TED: The taboo secret to better health | Molly Winter
Our poop and pee have superpowers, but for the most part we don't harness them. Molly Winter faces down our squeamishness and asks us to see what goes down the toilet as a resource, one that can help fight climate change, spur innovation...
Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
SciShow
Brown Dwarfs Space’s Strangely Important Oddballs
You’d think it would be easy to tell if an object in space was a star or a planet - is it big, hot, and shining? It’s a star! Small, cool, and made of rock and gas? Planet! But cosmic oddities know as brown dwarfs remind us that the...
SciShow
About That Snap…
Researchers were inspired by a certain purple villain to study the physics of finger snapping, and they found that the mundane hand motion is actually quite an impressive feat.
SciShow
6 Animals That Thrive Upside-Down
For humans, being upside-down isn’t a comfy way to hang out for very long, but for these six animals, upside-down feels just right! Chapters THREE-TOED SLOTH 0:38 UPSIDE-DOWN JELLYFISH 2:10 NUTHATCH 3:37 RED-HEADED WOODPECKER 3:57 4:55...