When a ship sinks, lots of factors, like the ship’s materials, the water quality, and the depth of the seafloor all play a role in determining how long the ship will last down there - as a result, the Titanic will be gone in fifty years,...

For centuries, humans have reported animals freaking out during solar eclipses, like birds falling from the sky and bees hiding in their hives, but the animals most affected by eclipses might be us.

Why is the middle of a hurricane sometimes so clear and calm?

You can't just "find" motivation, says scientist Ayelet Fishbach — you have to learn how to motivate yourself. She shares a handful of tips backed by 20 years of motivation research, offering surprisingly simple wisdom on how to optimize...

Join the Amoeba Sisters in this longer review video as they review food chains, food webs, how energy flows through trophic levels (including the 10% rule), ecological relationships (including parasitism, mutualism, and commensalism),...

A spy presses a button on their suit and blinks out of sight. A wizard wraps himself in a cloak and disappears. A star pilot flicks a switch, and their ship vanishes into space. Invisibility is one of the most tantalizing powers in...

In 1952, polio was everywhere: killing or paralyzing roughly half a million people annually. Yet just 10 years later, paralytic polio cases in the US dropped by 96% and we were on track to get rid of polio for good. But in recent years,...

Insects are the world’s most numerous and diverse animals. Even where you’d least expect them in some of Earth’s most extreme environments, there they are. From a scalding volcano, parched desert, to a frigid glacier, insects are living...

In the 1600s, Isaac Newton conducted a series of experiments to better understand the lights and colors that sometimes appear when your eyes are closed. If you’ve ever sat around an evening campfire or unintentionally glanced at the Sun,...

Around the world, millions of people have Alzheimer’s disease, a debilitating brain disorder that gradually destroys a person’s memory and other cognitive abilities. While doctors have studied Alzheimer’s for decades, conducting hundreds...

You’re just one history final away from a relaxing spring break. But you still have so much to study! You decide to follow in the footsteps of many students before you, and pull an all-nighter. So, what happens to your brain when you...

How do we protect ourselves from being misled online? Counter-terrorism expert Vidhya Ramalingam reveals how disinformation is being weaponized to justify violence — increasingly against climate scientists — and introduces a powerful...

From its life-sustaining energy to its explosive geomagnetic storms, the Sun has many mysteries, says astrophysicist Nour E. Rawafi. He sheds light on NASA's latest endeavor to better understand our fiery neighbor and its impact on the...

Over his decades of farming and ranching, Gabe Brown has noticed a troubling trend: the conventional farming techniques he used were degrading the soil and harming nature. He shares how his family farm turned things around by adopting...

Is it possible to meet the world's seemingly infinite demand for data storage while also caring for the natural environment? Biomedical researcher Keolu Fox and professional surfer and scientist Cliff Kapono believe that Indigenous...

You're familiar with the story: a sperm and an egg meet to create an embryo, which has the potential to give rise to new life. But what if you could create a sperm or egg from any cell, even a single skin cell? Biologist Katsuhiko...

What's the best way to develop and implement solutions to social problems? TED Fellow and human rights activist Monica Malta discusses why traditional, top-down policymaking often fails by excluding key voices and missing root causes....

Is embracing your inner teenager the key to thriving in adulthood? Neuroscientist Adriana Galván shares three powerful lessons from decades of research into adolescent brain development, exploring what teens can teach us about embracing...

What if you could take something as tiny as a grain of sand — and as common as a glass bottle — and use it to tackle the climate crisis? Waste alchemist Franziska Trautmann shares how the spark of an idea turned into a large-scale...

TED Fellow and equity bioengineer Erika Moore investigates how cells controlling inflammation behave differently depending on a patient's background. By focusing on the "who" behind the disease, Moore is uncovering why certain diseases...

Explore the lymphatic system with the Amoeba Sisters! This introduction talks about lymph, the general way lymph travels in the lymphatic system, primary and secondary lymphoid organs and tissues, general functions of the lymphatic...

Explore the concept of biological evolution with the Amoeba Sisters! This video mentions a few misconceptions about biological evolution before providing a general definition. Then this video provides a description of four different...

Relativity Isn't Relative

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