PBS
The Trebuchet Challenge | Space Time
Kinetic and potential energy are defined as combinations of more basic quantities: position, velocity and mass. These combinations are chosen so that their sum is conserved. It’s actually remarkable that there’s any such combination of...
PBS
When Ancient People Changed Their Own DNA
Thank you to Rocket Money for sponsoring PBS. For more info check out http://rocketmoney.com/pbseons or scan the QR code on the screen to start managing your personal finances today.
PBS
The 40 Million-Year-Old Ecosystem In Your Mouth
The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while you’re alive! And scientists have figured out how to study &...
PBS
How Evolution Works (And How We Figured It Out)
As a scientific concept, evolution was revolutionary when it was first introduced. With the help of all three of our hosts and the Smithsonian National Museum of Natural History’s new Deep Time Hall, we’ll try to explain how evolution...
PBS
The Invisible Barrier Keeping Two Worlds Apart
In between two of the islands of Indonesia, there’s an ancient line that is both real and…not real.
PBS
How To Survive the Little Ice Age
Nunalleq, a village in what’s today southwest Alaska, seemed to have thrived during the Little Ice Age. How did this village manage to survive and prosper during this time period? And what caused this period of climate change in the...
PBS
The Return of Giant Skin-Shell Sea Turtles
The biggest turtle ever described wasn’t an ancestor of today’s leatherback turtles or any other living sea turtles. But it looks like there are some things about being a giant, skin-shelled sea turtle that just work, no matter where, or...
Be Smart
The Biggest Myth About Climate Change
You’ve seen it in the comment section before: “Climate change is natural. It’s happened before and it will keep happening”. In reality, comments like these are the newest kind of climate change denial. In this video we’re going to learn...
TED-Ed
TED-Ed: Which is better for you: "Real" meat or "fake" meat? | Carolyn Beans
In 2021, a survey of over 1,000 Americans found that nearly two-thirds had eaten plant-based meat alternatives in the past year. Many cited potential health and environmental benefits as their motivation. But are these alternative meats...
TED Talks
TED: Why change is so scary -- and how to unlock its potential | Maya Shankar
Unexpected change like an accident, an illness or a relationship that suddenly ends is inevitable -- and disorienting. With a heartfelt and optimistic take on life's curveballs, cognitive scientist Maya Shankar shares how these...
TED-Ed
TED-Ed: Why is it so hard to break a bad habit? | TED-Ed
Many people deal with a nail-biting habit at some point in their lives. Some will go to great lengths to try to stop, employing strategies like dipping their hands in salt or wearing gloves. And while not all of us are nail-biters, most...
TED Talks
TED: Climate action is on the cusp of exponential growth | Simon Stiell
Climate action is speeding up -- and we each have the power to push that transformation forward. As the head of the UNFCCC, the UN's entity supporting the global response to climate change, Simon Stiell points to clear social and...
TED Talks
TED: School is just the start. Here's how to help girls succeed for life | Angeline Murimirwa
Education activist and 2023 Audacious Project grantee Angeline Murimirwa knows the power of educating girls, especially in places where they may not have easy access to schooling. But she says that's not enough. In an inspiring talk, she...
TED-Ed
TED-Ed: Can you change your sleep schedule? | TED-Ed
An early bird rises with the sun, springing out of bed abuzz with energy. Meanwhile, a night owl groggily rises much later, not hitting their stride until late in the day. How many people are truly night owls or early birds? And are our...
TED Talks
TED: An extreme weather report from America's weatherman | Al Roker
It's not just you: the weather is getting worse. And if there's one person who would know, it's "America's weatherman," Al Roker, who's spent decades reporting live from some of the worst storms and natural disasters in history. He...
TED Talks
TED: The single most important parenting strategy | Becky Kennedy
Everyone loses their temper from time to time — but the stakes are dizzyingly high when the focus of your fury is your own child. Clinical psychologist and renowned parenting whisperer Becky Kennedy is here to help. Not only does she...
TED Talks
TED: The molecular love story that could help power the world | Olivia Breese
The key to revolutionizing the world's energy landscape may lie in an unlikely love story, says energy innovator Olivia Breese. She details the fateful marriage of a green electron and a water molecule -- a powerful source of...
TED Talks
TED: The beauty of building with mud and trash | Vinu Daniel
What if we could use waste to create resilient and sustainable buildings? Bringing out the beauty of the dirt beneath our feet, climate-responsive architect Vinu Daniel shares how he and his team are giving local and discarded materials...
TED Talks
TED: CRISPR's next advance is bigger than you think | Jennifer Doudna
You've probably heard of CRISPR, the revolutionary technology that allows us to edit the DNA in living organisms. Biochemist and 2023 Audacious Project grantee Jennifer Doudna earned the Nobel Prize for her groundbreaking work in this...
TED Talks
TED: An economy powered by sun and wind -- it's almost here | Kala Constantino
With some of the highest energy bills in Southeast Asia and extreme weather to match, the Philippines experiences the climate crisis -- and climate activism -- as a part of daily life. Clean energy advocate Kala Constantino highlights...
TED Talks
TED: Why are we making pizza boxes out of endangered trees? | Nicole Rycroft
If we're going to solve the climate crisis, we need to talk about supply chains, says biodiversity champion and 2023 Audacious Project grantee Nicole Rycroft. Her organization, Canopy, partners with key industry leaders to overhaul their...
TED Talks
TED: War, AI and the new global arms race | Alexandr Wang
Lethal drones with facial recognition, armed robots, autonomous fighter jets: we're at the dawn of a new age of AI-powered warfare, says technologist Alexandr Wang. He explores why data will be the secret weapon in this uncharted...
SciShow
Salmon Can Turn on Night Vision. Why Can’t We?
Most of us can only see certain wavelengths of light our entire lives. So why can salmon switch on night vision? We'll learn how they can reshape their eyes to see into the infrared.
SciShow
Will Climate Change Turn More Reptiles Female?
We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.