Millennials and Gen Z will inherit 30 trillion dollars of wealth in the coming decades, and what they do with their money will have an incredible impact on the future of the planet, says impact investor Miguel Goncalves. He makes a case...

If you traced your family tree back 185 million generations, you wouldn't be looking at a human, a primate, or even a mammal. You'd be looking at a fish. So where along that line does the first human show up? The answer may surprise you

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino...

Dan Barasch and James Ramsey have a crazy plan — to create a park, filled with greenery, underneath New York City. The two are developing the Lowline, an underground greenspace the size of a football field. They're building it in a...

Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.

Today nine nations collectively control more than 15,000 nuclear weapons, each hundreds of times more powerful than those dropped on Hiroshima and Nagasaki. We don't need more nuclear weapons; we need a new generation to face the...

This week on Crash Course Big History, Emily is talking about process of human evolution, and the knack for innovation that has allowed humans to become so dominant on the Earth. Human innovation, and the ability to build on those...

Diana Laufenberg shares three surprising things she has learned about teaching -- including a key insight about learning from mistakes.

The Russian invasion of Ukraine has destroyed so much -- including hundreds of schools, where the country's children were forging their futures -- but it has not stopped Ukrainians from pursuing knowledge and curiosity. In a deeply...

We need to care for and live in harmony with the environment, says climate and gender activist Ernestine Leikeki Sevidzem. The best way to do that? Nurture a forest generation: one that learns to protect nature. Sevidzem shares how she's...

Evolution is known to be a long, slow process. But thanks to our interference, some animals have adapted at light speed in order to survive.

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What’s with all the "G"s and why do we keep having to develop new ones to use our phones in this technology.

Chris Abani tells stories of people: People standing up to soldiers. People being compassionate. People being human and reclaiming their humanity. It's "ubuntu," he says: the only way for me to be human is for you to reflect my humanity...

Paul Andersen explains how the Meselson-Stahl experiment was used to prove that DNA copied itself through a semi-conservative process. They grew E. coli in a medium containing heavy nitrogen (N-15). They then added the E. coli to a...

This is episode 3 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...

From something as familiar as our bodies to things vast as the formation of galaxies, we can observe the process of self-assembly, or when unordered parts come together in an organized structure. Skylar Tibbits explains how we see...

Hank tells the story of the mysterious star known as "Methuseleh," and why scientists think that it is the oldest known star in the universe.

What if immortality wasn't just the stuff of epic comic book stories? Is it scientifically possible to be immortal? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...

Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts of a nucleotide and shows how they are connected through covalent and hydrogen...

In the coming years, artificial intelligence is probably going to change your life— and likely the entire world. But people have a hard time agreeing on exactly how AI will affect our society. Can we build AI systems that help us fix the...

When teachers and families work together, everyone wins, says education technology entrepreneur and TED Fellow Heejae Lim. She shines a light on an underutilized resource in US public education -- a family's love for their children --...

Why does modern technology promise efficiency, but leave us constantly feeling pressed for time? Anthropologist Kathryn Bouskill explores the paradoxes of living in a fast-paced society and explains why we need to reconsider the...

Paul Andersen defines microevolution as any change in the frequency of the allele pool. He then explains the five mechanisms of evolution; small sample size, non-random mating, mutations, gene flow and natural selection.

From ripping your own appendages off to cockroach mind control, wasps go to great lengths to ensure the survival of their species.