TED Talks
Rachel Kleinfeld: A path to security for the world's deadliest countries
You are more likely to die violently if you live in a middle-income democracy with high levels of inequality and political polarization than if you live in a country at war, says democracy advisor Rachel Kleinfeld. This historical shift...
Be Smart
Nature's Living Fireworks
Nearly all life on Earth is ultimately powered by light. But many creatures have learned how to make their own. This week we investigate the beautiful phenomenon of bioluminescence. From blinking fireflies on summer nights to glowing...
PBS
How the Chalicothere Split In Two
Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up looking so different?
PBS
The Treasures of Trappist-1
Last week, seven earth-like planets were discovered orbiting a Red Dwarf star 39 light years away. Each one could be capable of supporting life.
SciShow
Citizen Astronomy FTW
This week, some rather confusing news from the Moon, and details about how ordinary folks like you helped classify 2 million celestial objects in just five days!
TED Talks
Devdutt Pattanaik: East vs. West -- the myths that mystify
Devdutt Pattanaik takes an eye-opening look at the myths of India and of the West -- and shows how these two fundamentally different sets of beliefs about God, death and heaven help us consistently misunderstand one another.
TED Talks
Susan Lim: Transplant cells, not organs
Pioneering surgeon Susan Lim performed the first liver transplant in Asia. But a moral concern with transplants (where do donor livers come from ...) led her to look further, and to ask: Could we be transplanting cells, not whole organs?...
TED Talks
Jeffrey Kluger: The sibling bond
Were you the favorite child, the wild child or the middle child? Jeffrey Kluger explores the profound life-long bond between brothers and sisters, and the influence of birth order, favoritism and sibling rivalry.
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.
SciShow
What Will the World Look Like, 2°C Warmer?
A world only 2°C warmer, or 3.6°F, would be one that is much different than the world we live in today, but what does that actually look like?
SciShow
DNA and Dung Beetles
Chapters View all CARL LINNAEUS 1:24 20% OF KNOWN SPECIES 1:38 NOT 100 MILLION 1:51 DEEP SEA LOBSTERS 2:25 VENEZUELAN SNAIL 2:28 FISH COUNT 2:39
SciShow
Our Past Written in the Stars
Unfortunately, time machines don't exist, but there are other ways to learn about our sun's past.
TED Talks
Danny Hillis: Back to the future (of 1994)
From deep in the TED archive, Danny Hillis outlines an intriguing theory of how and why technological change seems to be accelerating, by linking it to the very evolution of life itself. The presentation techniques he uses may look...
TED Talks
Sara Seager: The search for planets beyond our solar system
Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new...
TED Talks
TED: Nature is everywhere -- we just need to learn to see it | emma Marris
How do you define "nature?" If we define it as that which is untouched by humans, then we won't have any left, says environmental writer emma Marris. She urges us to consider a new definition of nature -- one that includes not only...
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...
TED Talks
iO Tillett Wright: Fifty shades of gay
iO Tillett Wright has photographed 2,000 people who consider themselves somewhere on the LGBTQ spectrum -- and asked many of them: Can you assign a percentage to how gay or straight you are? Most people, it turns out, consider themselves...
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: We train soldiers for war. Let's train them to come home, too | Hector Garcia
Before soldiers are sent into combat, they're trained on how to function in an immensely dangerous environment. But they also need training on how to return from the battlefield to civilian life, says psychologist Hector Garcia. Applying...
TED Talks
TED: How AI can enhance our memory, work and social lives | Tom Gruber
How smart can our machines make us? Tom Gruber, co-creator of Siri, wants to make "humanistic AI" that augments and collaborates with us instead of competing with (or replacing) us. He shares his vision for a future where AI helps us...
Crash Course
The Soviet Bloc Unwinds: Crash Course European History
In the late 1970s and throughout the 1980s, protests and unrest continued continued across Europe, and the Soviet Union was having increasing trouble holding its sphere of influence together. Today you'll learn about the labor strikes of...
SciShow
The Gulf of California's Upside-Down Mirror Pools | Weird Places
For upside-down mirrors, super hot volcanic chimneys, and neon rocks with living microorganisms, look no further than the Guaymas Basin in the Gulf of California.
TED Talks
TED: A call to end the media coverage mass shooters want | Tom Teves
On July 20, 2012, a mass shooting in a movie theater of Aurora, Colorado left the town, and its nation, reeling. To many -- including Tom Teves, who lost his son in the tragedy -- the news coverage that followed focused on all the wrong...
SciShow
The IPBES Report with Brit Garner | SciShow Talk Show
Brit Garner is here to give Hank a breakdown of the May 2019 preview of the IPBES report, and Jessi from Animal Wonders brings along Kizmit, the African Crested Porcupine.