Instructional Video6:45
SciShow

We Discovered a New Natural Cycle!

12th - Higher Ed
So we all know about the carbon cycle, and the water cycle, and maybe even the nitrogen cycle. But new research has figured out there's a salt cycle, too. Problem is, that same research has found that we already broke it. Here's what...
Instructional Video5:55
SciShow

When Did We Start Getting Cavities?

12th - Higher Ed
You would think that without dentists and fluoride mouthwash, early humans would have terrible teeth. But tooth decay depends on access to sugars and starches -- meaning most early humans had decent teeth up until the Agricultural...
Instructional Video7:32
SciShow

Scientists Let Bees Land in their Eyes

12th - Higher Ed
When it comes to a beverage menu, I don't usually want to see "tears" on the list. But these three animals do, including bees whose favorite drink is human tears!
Instructional Video5:19
SciShow

How To Clear Icy Roads, With Science

12th - Higher Ed
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
Instructional Video12:22
TED Talks

TED: The unsung heroes fighting malnutrition | Shruthi Baskaran-Makanju

12th - Higher Ed
The pastoralists in Africa sustainably produce meat and milk to help feed the continent. But their way of life — and work — is under threat. Food systems advocate Shruthi Baskaran-Makanju explains how best to preserve these vital...
Instructional Video11:44
TED Talks

TED: How business can improve the world, not just the bottom line | Esha Chhabra

12th - Higher Ed
Sustainability has become more marketing than action, says environmental business journalist Esha Chhabra. Challenging conventional business models solely focused on profit, she shares how regenerative companies that embed purpose into...
Instructional Video10:48
TED Talks

TED: How to choose clothes for longevity, not the landfill | Diarra Bousso

12th - Higher Ed
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 —...
Instructional Video10:31
TED Talks

TED: Meet mini-grids — the clean energy solution bringing power to millions | Tombo Banda

12th - Higher Ed
Hundreds of millions of people lack access to electricity in Sub-Saharan Africa, relying on highly polluting diesel and firewood for power and light. Working to brighten the future in her home country of Malawi and beyond, energy access...
Instructional Video10:26
TED Talks

TED: The climate solutions worth funding — now | Jonathan Foley

12th - Higher Ed
When it comes to climate solutions, "now is better than new, and time is more important than tech," says scientist Jonathan Foley. He presents a six-part framework to more efficiently address climate change, from better aligning capital...
Instructional Video12:22
TED Talks

TED: Let your garden grow wild | Rebecca McMackin

12th - Higher Ed
Many gardeners work hard to maintain clean, tidy environments ... which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows the beauty of letting your garden run wild, surveying the...
Instructional Video11:48
TED Talks

TED: What's the point of digital fashion? | Karinna Grant

12th - Higher Ed
What if you could own more clothes without crowding your closet or growing your carbon footprint? Introducing the dematerialized future of your wardrobe, digital fashion entrepreneur Karinna Grant talks about the brands selling pixelated...
Instructional Video7:22
TED Talks

TED: How poop turns into forests | Ludmila Rattis

12th - Higher Ed
Did you know the world's largest tropical forest is partly formed by seeds emerging from poop? Ecologist Ludmila Rattis reveals the surprisingly fruitful benefits of letting nature take care of its own business, sharing how the digestive...
Instructional Video11:11
TED Talks

TED: Is climate change slowing down the ocean? | Susan Lozier

12th - Higher Ed
Ocean waters are constantly on the move, traveling far distances in complex currents that regulate Earth's climate and weather patterns. How might climate change impact this critical system? Oceanographer Susan Lozier dives into the...
Instructional Video9:36
TED Talks

TED: The Herds, a vast act of theater to spark climate action | Amir Nizar Zuabi

12th - Higher Ed
Theater has the power to transform the most pressing issues of our time from news stories into human stories, says director and playwright Amir Nizar Zuabi. Recounting his work on the journey of Little Amal — a 13-foot puppet symbolizing...
Instructional Video10:56
TED Talks

TED: Is alternative meat the recipe for a healthier planet? | Tao Zhang

12th - Higher Ed
A Chinese saying goes, "There's no pleasure in eating without meat." And the data backs that up: every year, China consumes 26 percent of the world's meat and 45 percent of its seafood — numbers that could grow alongside rising incomes....
Instructional Video11:43
TED Talks

TED: Enough red tape — we need to say yes to clean energy | Rich Powell

12th - Higher Ed
Climate innovation leader Rich Powell dives into the bureaucracy, bottlenecks and not-in-my-backyard attitude preventing the US from achieving its green energy goals, warning that we need about 10,000 new clean energy projects to be...
Instructional Video5:54
SciShow

How To Clear Icy Roads, With Science

12th - Higher Ed
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
Instructional Video2:04
MinuteEarth

You Can’t Actually Die Of Old Age

12th - Higher Ed
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.
Instructional Video3:15
MinuteEarth

Why We Haven’t Learned More In 101 Years Of Trying

12th - Higher Ed
Almost everything we know about the reproductive practices of European eels comes from a genius study conducted more than 100 years ago.
Instructional Video2:42
MinuteEarth

Why These Bears “Waste” Food

12th - Higher Ed
Optimal foraging theory means that turning down food is sometimes more efficient than eating it - but even then, what’s “wasted” doesn’t necessarily go to waste.
Instructional Video2:39
MinuteEarth

Why The Ocean Needs Salt

12th - Higher Ed
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.
Instructional Video2:51
MinuteEarth

Why Do Weeping Willows Weep?

12th - Higher Ed
Most trees reach for the sun – but not the weeping willow. Why?
Instructional Video4:26
MinuteEarth

Why Do People Hate Koalas?

12th - Higher Ed
On the Internet, koalas get an unnecessary amount of hate, so let's debunk some of the most pervasive koala myths!
Instructional Video3:15
MinuteEarth

The WEIRD Way Monkeys Got to America

12th - Higher Ed
Many of the greatest biological dispersal events in history likely happened because animals inadvertently traveled across the oceans on floating debris.