PBS
The First Humans on Mars
Elon Musk's SpaceX program proposes that 100 people could be sent to colonize Mars within 10 years. What might that colony look like?
TED Talks
Sheryl Sandberg: So we leaned in ... now what?
Sheryl Sandberg admits she was terrified to step onto the TED stage in 2010 -- because she was going to talk, for the first time, about the lonely experience of being a woman in the top tiers of business. Millions of views (and a...
TED Talks
Michael Metcalfe: We need money for aid. So let’s print it.
During the financial crisis, the central banks of the United States, United Kingdom and Japan created $3.7 trillion in order to buy assets and encourage investors to do the same. Michael Metcalfe offers a shocking idea: could these same...
SciShow
Is There An fMRI Crisis?
As technology becomes more complex, it's easier for things to go wrong.
SciShow
Breaking News: Mars Suitable for Life
Earlier today, mission specialists with NASA's Mars Science Laboratory announced that they have found, for the first time, evidence of an ancient environment on Mars that could have sustained life. Hank tells us the specifics in this...
SciShow
Bdelloids: The Most Hardcore Animals in the World?
Bdelloid rotifers have a superpower. If their DNA is shredded to pieces, whether from a lack of water or a blast of radiation, they can put it back together.
TED-Ed
TED-Ed: Can you solve the human cannonball riddle? | Alex Rosenthal
They call you the human cannonball. Your act involves flying through rings of fire, bouncing through a trampoline course, and catching the trapezist in the grand finale. Today's pre-flight test fails dramatically, and upon inspection,...
TED Talks
TED: Averting the climate crisis | Al Gore
With the same humor and humanity he exuded in "An Inconvenient Truth," Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter brand name for global warming.
TED-Ed
TED-Ed: The Artists | Think Like A Coder, Ep 5 | Alex Rosenthal
This is episode 5 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
SciShow
Bone Cities, Ash Towers, and 4 Other Futuristic Buildings
Right now, the construction industry heavily relies on concrete, but it isn't great for the earth. Many scientists are looking for ways to replace it in the future, and some of their ideas are so off the wall that they just might work.
TED Talks
TED: Why Africa needs community-led conservation | Resson Kantai Duff
Conservation efforts in Africa have typically been led by "parachute conservationists" -- outsiders who drop in thinking they have all the answers, hire locals to implement them and then disappear. But conservationist Resson Kantai Duff...
SciShow
How Bad Are Satellite Constellations for Astronomy? - SciShow News
Imagine being excited to use one of the world's most advanced telescopes, only to see bright streaks of light on every picture! This is a problem facing some astronomers as satellites fill up the night sky.
TED Talks
Liz Diller: A new museum wing ... in a giant bubble
How do you make a great public space inside a not-so-great building? Liz Diller shares the story of imagining a welcoming, lighthearted -- even, dare we say it, sexy -- addition to the Hirshhorn Museum in Washington, DC. (From The Design...
SciShow
Want to Speak a Foreign Language Better? Have a Drink
Drinking could help you master the complexities of speaking a new language, and might actually help you memorize your flashcards!
TED Talks
TED: Fake videos of real people -- and how to spot them | Supasorn Suwajanakorn
Do you think you're good at spotting fake videos, where famous people say things they've never said in real life? See how they're made in this astonishing talk and tech demo. Computer scientist Supasorn Suwajanakorn shows how, as a grad...
TED Talks
Misha Glenny: Hire the hackers!
Despite multibillion-dollar investments in cybersecurity, one of its root problems has been largely ignored: who are the people who write malicious code? Underworld investigator Misha Glenny profiles several convicted coders from around...
TED Talks
Tali Sharot: The optimism bias
Are we born to be optimistic, rather than realistic? Tali Sharot shares new research that suggests our brains are wired to look on the bright side -- and how that can be both dangerous and beneficial.
TED-Ed
TED-Ed: Will future spacecraft fit in our pockets? - Dhonam Pemba
When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small enough to fit into our pockets? Dhonam Pemba details the future of microspacecraft,...
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: How algorithms shape our world | Kevin Slavin
We live in a world run by algorithms, computer programs that make decisions or solve problems for us. In this riveting, funny talk, Kevin Slavin shows how modern algorithms determine stock prices, espionage tactics, even the movies you...
TED-Ed
TED-Ed: The Prison Break | Think Like A Coder, Ep 1 | Alex Rosenthal
This is episode 1 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
TED Talks
David Anderson: Your brain is more than a bag of chemicals
Modern psychiatric drugs treat the chemistry of the whole brain, but neurobiologist David Anderson has a more nuanced view of how the brain functions. He shares new research that could lead to targeted psychiatric medications -- that...
TED-Ed
TED-ED: How did Dracula become the world's most famous vampire? - Stanley Stepanic
Over a hundred years after his creator was laid to rest, Dracula lives on as the most famous vampire in history. But this Transylvanian noble _ neither the first fictional vampire, nor the most popular of his time _ may have remained...
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...