SciShow
The Great North American Megadrought
In a few decades, scientists predict that a widespread, severe drought will sweep across western North America -- and it'll last for decades.
TED-Ed
TED-Ed: History's deadliest colors - J. V. Maranto
When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn't until much later that we realized that radium's harmful effects outweighed its visual benefits....
SciShow
Secrets of Snow | Compilation
Winter is upon us, and for many that includes snow! And although snowflakes are ice crystals that become flakes under the right conditions, they also have mysteries that can be less simple to explain!
TED Talks
Colette Pichon Battle: Climate change will displace millions. Here's how we prepare
Scientists predict climate change will displace more than 180 million people by 2100 -- a crisis of "climate migration" the world isn't ready for, says disaster recovery lawyer and Louisiana native Colette Pichon Battle. In this...
TED Talks
TED: How to make radical climate action the new normal | Al Gore
A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of...
TED Talks
TED: Why I must speak out about climate change | James Hansen
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply...
TED-Ed
TED-Ed: The imaginary king who changed the real world
In 1165, copies of a strange letter began to circulate throughout Europe. It spoke of a fantastical realm, containing the Tower of Babel and the Fountain of Youth— all ruled over by the letter’s mysterious author: Prester John. Who was...
TED Talks
TED: The unexpected, underwater plant fighting climate change | Carlos M. Duarte
Once considered the ugly duckling of environmental conservation, seagrass is emerging as a powerful tool for climate action. From drawing down carbon to filtering plastic pollution, marine scientist Carlos M. Duarte details the...
TED-Ed
TED-Ed: Could we build a wooden skyscraper? | Stefan Al
Towering 85 meters above the Norwegian countryside, Mjøstårnet is the world's tallest wooden building, made almost entirely from the trees of neighboring forests. But as recently as the end of the 20th century, engineers thought it was...
PBS
Will We Ever Find Alien Life?
The silence of the galaxy and the resulting Fermi Paradox has perplexed us for nearly 50 years. But our most recent surveys of the Milky Way finally allow us to draw scientific conclusions about the depressingly persistent absence of...
SciShow
What the Wright Brothers Should Actually Be Famous For
For the pioneers of human aviation, one of the trickiest problems was figuring out how to steer the early craft. Then, the Wright Brothers changed everything by using bike parts and watching birds.
SciShow
There’s Hope in the Latest Climate Report
We recently got an important update from the IPCC, the definitive source on the climate crisis. And while there's not a ton of good news, there are some bits of hope if we can ramp up our actions now.
TED Talks
TED: Drawings that show the beauty and fragility of earth | Zaria Forman
Zaria Forman's large-scale compositions of melting glaciers, icebergs floating in glassy water and waves cresting with foam explore moments of transition, turbulence and tranquility. Join her as she discusses the meditative process of...
SciShow
How a Century-Old Procedure Could Help Us Fight COVID-19
Some potentially good news on the COVID-19 treatment front: Thanks to a technique that’s more than a century old, recovered COVID-19 patients may be in a position to help the rest of us -- with their blood plasma.
TED-Ed
TED-ED: Mysteries of vernacular: Tuxedo - Jessica Oreck
How did tuxedo's roots extend from Native American history to black tie evening wear? Jessica Oreck reveals what the Delaware Indians and formal fashion have in common.
TED-Ed
TED-ED: The world's most mysterious book - Stephen Bax
Deep inside Yale's Beinecke Rare Book and Manuscript Library lies a 240 page tome. Recently carbon dated to around 1420, its pages feature looping handwriting and hand drawn images seemingly stolen from a dream. It is called the Voynich...
TED Talks
David Epstein: Are athletes really getting faster, better, stronger?
When you look at sporting achievements over the last decades, it seems like humans have gotten faster, better and stronger in nearly every way. Yet as David Epstein points out in this delightfully counter-intuitive talk, we might want to...
SciShow
First Kisses and Spring!
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
SciShow
Earth, Two Degrees Warmer
A new report on climate change is pretty grim, but there is still a little hope.
SciShow
5 Sci-Fi Futures We Actually Have to Worry About
5 Sci-Fi Futures We Actually Have to Worry About
SciShow
The Nuclear City Lost Under Ice | Camp Century
Hidden beneath Greenland’s ice and powered by a nuclear reactor, Camp Century made for an interesting US military base. But life under the ice came with unique struggles; and although it wasn’t mainly constructed for science, the base...
SciShow
Why Don't Comets Ever Have a Green Tail?
There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?
TED Talks
Michael Green: What the Social Progress Index can reveal about your country
The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...
TED Talks
Stewart Brand: The dawn of de-extinction. Are you ready?
Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern cougar, the dodo ... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity...