TED Talks
Rachel Botsman: The currency of the new economy is trust
There's been an explosion of collaborative consumption -- web-powered sharing of cars, apartments, skills. Rachel Botsman explores the currency that makes systems like Airbnb and Taskrabbit work: trust, influence, and what she calls...
TED Talks
TED: An underwater art museum, teeming with life | Jason deCaires Taylor
For sculptor Jason deCaires Taylor, the ocean is more than a muse -- it's an exhibition space and museum. Taylor creates sculptures of human forms and mundane life on land and sinks them to the ocean floor, where they are subsumed by the...
SciShow
The Ridiculous Reasons It's Hard to Measure Sea Level
From problems with the moon, to the lumpiness of earth, sea levels aren't quite as exact as we have them figured out to be.
TED Talks
Samantha Power: A complicated hero in the war on dictatorship
Would you negotiate with someone you knew to be evil, to save lives? Samantha Power tells a story of a complicated hero, Sergio Vieira de Mello. This UN diplomat walked a thin moral line, negotiating with the world's worst dictators to...
TED Talks
TED: What's hidden under the Greenland ice sheet? | Kristin Poinar
The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...
MinuteEarth
How Do Some Waves Get SO Big?
All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.
SciShow
Why Don't Fire Hydrants Freeze and Explode?
Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?
TED-Ed
TED-ED: Real life sunken cities - Peter Campbell
Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the...
SciShow
Our Oceans Aren’t Doomed… Yet? | SciShow News
The IPCC has released a special report assessing how the world’s ice and oceans are faring under our changing climate, and scientists may be one step closer to a cure for the common cold!
TED Talks
Melinda Gates: What nonprofits can learn from Coca-Cola
Melinda Gates makes a provocative case: What can nonprofits learn from mega-corporations like Coca-Cola, whose global network of marketers and distributors ensures that every remote village wants -- and can get -- an ice-cold Coke? Maybe...
TED Talks
TED: Everyday moments, caught in time | Billy Collins
Combining dry wit with artistic depth, Billy Collins shares a project in which several of his poems were turned into delightful animated films in a collaboration with Sundance Channel. Five of them are included in this wonderfully...
TED Talks
TED: The mysterious world of underwater caves | Jill Heinerth
Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the...
SciShow
Why Fish Care About Forest Fires
We don't think of rivers and lakes as something that are greatly affected by fires, but it turns out these disasters can have a big effect on the acquatic wildlife that calls these places home.
SciShow
On Venus, You're Walking on Eggshells | SciShow News
Earth's thick crust might one of the reasons our planet can support life. But scientists are looking for something a little more brittle.
SciShow
Thank Climate Change for the Awful Allergy Season
Every spring, around 20% of the population enters the season of sniffles, and some years are worse than others. But lately, there just don’t seem to be any better years because the different effects of climate change seem to be working...
Crash Course
Why are People Moving to Cities? Crash Course Geography
According to the UN, people living in urban places now outnumber those in rural areas — which is a pretty new phenomenon for many parts of the world. So today, we’re going to discuss factors that have led to this shift in populations...
TED Talks
Lawrence Lessig: Re-examining the remix
Former "young Republican" Larry Lessig talks about what Democrats can learn about copyright from their opposite party, considered more conservative. A surprising lens on remix culture.
TED Talks
John Green: The nerd's guide to learning everything online
Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning...
TED-Ed
TED-Ed: Inside a cartoonist's world - Liza Donnelly
From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every cartoon goes through, starting with an idea and turning...
SciShow
Why Frogs Sometimes Fall From the Sky
It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.
SciShow
Why Moose Love Licking Cars
So, moose licking cars in winter is a thing, if you live in a place that has both moose and winter. But why on earth do they do this?!
SciShow
Hotter Than Death Valley | Weird Places
With acidic puddles, lava lakes, and one of the most important early hominid discoveries, the Danakil Depression is home to all of the extremes.
PBS
Is It Irrational to Believe in Aliens?
Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as...
TED Talks
Sugata Mitra: The child-driven education
Education scientist Sugata Mitra tackles one of the greatest problems of education -- the best teachers and schools don't exist where they're needed most. In a series of real-life experiments from New Delhi to South Africa to Italy, he...