TED Talks
TED: How to choose clothes for longevity, not the landfill | Diarra Bousso
Buying cheap clothing online can be satisfying, but it comes with not-so-hidden environmental costs. When designer Diarra Bousso was growing up in Senegal, her family bought and created new outfits for longevity rather than on impulse —...
TED Talks
TED: What if advertising was honest? | Sylvester Chauke
After years of brand building, marketing veteran Sylvester Chauke realized that his industry had sold the world on overconsumption, with devastating consequences. He shares how marketers could instead promote sustainability with "honest...
SciShow
Why Your Strawberry Milk May Look Different Soon
Popular food dyes Red 3 and titanium dioxide are in everything from toothpaste to your strawberry milk. But multiple U.S. states and the EU are trying to ban them. Are they safe?
TED-Ed
TED-Ed: The one thing stopping jellyfish from taking over | Mariela Pajuelo and Javier Antonio Quinones
Over the past two decades, jellyfish have begun to overwhelm our oceans. If things stay on their current trajectory, we could be headed for a future where the entire ocean is thick with jellyfish. So, is there anything that can keep...
SciShow
The WHO Says Diet Soda Causes Cancer. Does It?
The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...
SciShow
This Binge-drinking Tree Shrew Could Probably Outdrink You
Many animals consume some alcohol in their foods, but these shrews take it to a whole new level!
SciShow
These Plants Are the Same Species
Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...
Crash Course
The Apocalyspe: Crash Course World Mythology
Mike Rugnetta is going to tell you stories of death, destruction, divine judgment, damnation, and the occasional happy ending. That's right, this week we're talking about the Apocalypse. Actually we're talking about a bunch of ways the...
SciShow
Can Moon Colonies Get Oxygen From the...Moon?
As we look towards longer missions to the Moon, the shear amount of resources needed to survive becomes a much bigger question. Without space semi-trucks to haul life-giving resources to astronauts, can we utilize the Moon’s barren...
TED-Ed
TED-ED: Could a breathalyzer detect cancer? - Julian Burschka
How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s breath,...
TED-Ed
TED-Ed: The big-beaked, rock-munching fish that protect coral reefs | Mike Gil
As the sun rises over a quiet coral reef, one animal breaks the morning silence. Named for its vibrant scales and beak-like teeth, the parrotfish devours a particularly crunchy breakfast: rocks. Why would any creature take bites out of...
SciShow
Estivation: How Mucus Saved My Life
Learn how some animals have adapted to survive in some of the hottest and driest environments in the world, by covering themselves in mucus and calling it good.
SciShow
These Plants Are the Same Species
Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...
SciShow
3 Ridiculously Extreme Black Holes
Black holes are some of the most extreme astronomical objects out there, but there are some that really standout. Let's look at black holes that grow larger, consume more, and spin faster than the rest.
TED-Ed
Why didn't this 2,000 year old body decompose? | Carolyn Marshall
It may not appear very lively six feet underground, but a single teaspoon of soil contains more organisms than there are human beings on the planet. From bacteria and algae to fungi and protozoa, soils are home to one quarter of Earth's...
SciShow
Black Holes: The Hungriest Things in the Universe | Compilation
If you thought a hot dog eating contest was impressive to complete, imagine if a black hole entered it! They eat up everything around them, including stars! But they’re not just gluttonous blobs of the universe. Like all things in space,...
SciShow
This Binge-drinking Tree Shrew Could Probably Outdrink You
Many animals consume some alcohol in their foods, but these shrews take it to a whole new level!
SciShow
Kleptopredation Natural Turduckens
Some birds steal food from other birds to save themselves work, but kleptopredators take it one step further!
Be Smart
The Surprising Places We Waste Energy
We use a LOT of energy, but we waste a lot too. Where that waste happens might surprise, you though. We don't just waste energy when we leave the lights on or the thermostat cranked down too low. It happens at the dinner table and the...
TED Talks
Arthur Potts Dawson: A vision for sustainable restaurants
If you've been in a restaurant kitchen, you've seen how much food, water and energy can be wasted there. Chef Arthur Potts-Dawson shares his very personal vision for drastically reducing restaurant, and supermarket, waste -- creating...
TED-Ed
What causes dandruff, and how do you get rid of it? | Thomas L. Dawson
On top of our heads, there is a type of yeast that lives and dines on all of our scalps. Feasting constantly, it's in paradise. And in about half of the human population, its activity causes dandruff. So, why do some people have more...
TED Talks
TED: How we could make carbon-negative concrete | Tom Schuler
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the...
TED-Ed
TED-Ed: How does caffeine keep us awake? - Hanan Qasim
Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can...
TED-Ed
What causes cavities? - Mel Rosenberg
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel...