TED Talks
TED: A vision of sustainable housing for all of humanity | Vishaan Chakrabarti
By 2100, the UN estimates that the world's population will grow to just over 11 billion people. Architect Vishaan Chakrabarti wants us to start thinking about how we'll house all these people -- and how new construction can fight climate...
TED-Ed
TED-Ed: Pazit Cahlon and Alex Gendler: What "Machiavellian" really means
From Shakespeare's plays to modern TV dramas, the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries, we've had a single word to describe such characters:...
TED Talks
TED: How nationalism and globalism can coexist | Wanis Kabbaj
Why do we have to choose between nationalism and globalism, between loving our countries and caring for the world? In a talk with lessons for avowed nationalists and globalists alike, Wanis Kabbaj explains how we can challenge this...
TED Talks
TED: Lessons on leaving the world better than you found it | Sophie Howe
Sophie Howe is the world's only future generations commissioner, a new kind of government official tasked with advocating for the interests of generations to come and holding public institutions accountable for delivering long-term...
TED Talks
Amber Case: We are all cyborgs now
Technology is evolving us, says Amber Case, as we become a screen-staring, button-clicking new version of homo sapiens. We now rely on "external brains" (cell phones and computers) to communicate, remember, even live out secondary lives....
TED Talks
TED: Your kids might live on Mars. Here's how they'll survive | Stephen Petranek
It sounds like science fiction, but journalist Stephen Petranek considers it fact: within 20 years, humans will live on Mars. In this provocative talk, Petranek makes the case that humans will become a spacefaring species and describes...
SciShow
Astronauts' Arch-Enemy: Dust
For astronauts, dust is no joke. On the moon and Mars, dust isn't at all like the stuff under your bed. It can be poisonous, corrosive, even made of razor-sharp glass. So future astronauts are going to need more than a dust buster to get...
TED Talks
Stuart Oda: Are indoor vertical farms the future of agriculture?
By 2050, the global population is projected to reach 9.8 billion. How are we going to feed everyone? Investment-banker-turned-farmer Stuart Oda points to indoor vertical farming: growing food on tiered racks in a controlled,...
TED Talks
TED: What the Russian Revolution would have looked like on social media | Mikhail Zygar
History is written by the victors, as the saying goes -- but what would it look like if it was written by everyone? Journalist and TED Fellow Mikhail Zygar is on a mission to show us with Project1917, a "social network for dead people"...
Crash Course
Macroeconomics: Crash Course Economics
This week, Adriene and Jacob teach you about macroeconomics. This is the stuff of big picture economics, and the major movers in the economy. Like taxes and monetary policy and inflation and policy. We need this stuff, because if you...
PBS
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship,...
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
TED Talks
TED: How CRISPR lets us edit our DNA | Jennifer Doudna
Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases ... but...
TED Talks
How technology changes our sense of right and wrong | Juan Enriquez
What drives society's understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifice and public executions to slavery...
TED Talks
Marjan van Aubel: The beautiful future of solar power
The Sun delivers more energy to Earth in one hour than all of humanity uses in an entire year. How can we make this power more accessible to everyone, everywhere? Solar designer Marjan van Aubel shows how she's turning everyday objects...
TED Talks
TED: Elon Musk talks Twitter, Tesla and how his brain works — live at TED2022 | Elon Musk
In this live, unedited conversation, Elon Musk -- the head of Tesla, SpaceX, Neuralink and The Boring Company -- digs into the recent news around his bid to purchase Twitter and gets honest about the biggest regret of his career, how his...
SciShow
How AI Can Save Lives | SciShow Compilation
Artificial intelligence is rapidly becoming an integral part of our everyday lives. Here’s a number of ways in which it manages to make life better for us humans.
Be Smart
Are We All Related?
In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Basic math tells us that all humans share ancestors. But you'll be amazed at how recently those shared ancestors lived. Thanks to...
TED Talks
TED: New nanotech to detect cancer early | Joshua Smith
What if every home had an early-warning cancer detection system? Researcher Joshua Smith is developing a nanobiotechnology "cancer alarm" that scans for traces of disease in the form of special biomarkers called exosomes. In this...
SciShow
Quantum Tunneling Takes a Surprisingly Long Time
Quantum tunneling happens when a particle seemingly teleports across a barrier. But despite how instantaneous this event sounds, recent research suggests that it doesn’t happen nearly as fast as you might think.
TED Talks
TED: A new approach to defending the human rights of migrants | Itamar Mann
In this gripping talk, litigator and TED Fellow Itamar Mann details the perilous boat migrations of asylum seekers crossing the Mediterranean Sea. With a surplus of evidence gathered by researchers and activists, he explains how lawyers...
TED Talks
TED: A sci-fi story of climate optimism | Vandana Singh
The world is a living tapestry ... As the weave of life is torn apart in one place, the threads unravel in another, says author and physics professor Vandana Singh, acknowledging humanity's interconnectedness with the planet -- and the...
TED Talks
TED: What happens when biology becomes technology? | Christina Agapakis
We've been promised a future of chrome -- but what if the future is fleshy? asks biological designer Christina Agapakis. In this awe-inspiring talk, Agapakis details her work in synthetic biology -- a multidisciplinary area of research...
SciShow
More Space Exploration Missions
Hank updates us on two new missions that will help us learn more about some of the fascinating things in our space neighborhood.