Mirror Life - Biggest Threat You’ve Never Heard Of
Adults Science
In December 2024, top scientists warned that ‘Mirror Life’, the hypothetical opposite of life itself with reversed chirality could pose a new existential threat that could eventually end in the extinction of all life on Earth.
What Happens to Trash?
Science
By the end of this science lesson, students will be able to list and describe the steps of the trash disposal process.
Star Personalities
Youth Science
In this episode, Sabrina chats about their difference and tells us what those differences mean.
Can Humanity Stop A Planet-Killing Asteroid?
Adults Science
Some killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
What Are the Four Seasons?
Science
In this science lesson, students will learn all about the four seasons — spring, summer, fall, and winter.
How To Make Alum Crystals
Kids Science
Today we are going to learn how to make crystals with alum powder!
The Wonder of Weightlifting | Jaime Seeman | TED
Adults Science
With humor and hard science, obstetrician and gynecologist Jaime Seeman reveals why building muscle is one of the best ways to combat women’s top health risks.
Spaced Out
Youth Science
In this episode, Sabrina gives us some perspective on this whole universe thing and how we fit into it.
Stars, Constellations, and More
Science
By the end of this science lesson, students will be able to describe the characteristics of stars and constellations.
Are Asteroids Dangerous?
Kids Science
A sample of Bennu could tell us exactly how threatening this near-Earth asteroid is, and how we defend ourselves against it.
Minerals, Crystals, & Gems
Youth Science
What’s the difference between minerals, crystals, rocks, and gems? In this lesson students will learn what these substances are and how they naturally form.
If you had the chance to be immortal, would you take it?
Adults Science
Explore different philosophers’ ideas on immortality and dig into their theories about the positives and negatives of eternal life.
Glowing Turmeric Experiment
Kids Science
Today we are going to learn about one very special fluorescent spice with my glowing jellyfish experiment.
Why Grass Grows Better Under Trampolines
Adults Science
If you’ve ever owned a backyard trampoline –or jumped on someone else’s– you might have noticed that the grass underneath it is longer and lusher than the grass in the rest of the yard. It’s not just that that grass isn’t getting mowed… in fact, when it does get mowed, you can see the weird effect even better! Instead there's something else –something shadier– going on here.
Dinosaur Pee?
Youth Science
Today we continue our exploration of the water cycle by drinking some dinosaur pee.
The Earth's Rotation
Science
By the end of this science lesson, students will be able to connect the position of the Earth to day and night, and recognize that different parts of the world experience day and night at different times.
The Great Aqua Adventure
Youth Science
In this episode Sabrina shows us how the water cycle works and how you can create a mini water cycle right in your own kitchen!
Discovering Rock Types
Science
By the end of this science lesson, students will be able to identify different types of rocks, describe their characteristics, and explain how they are formed.
Indoor Air Pollution
Youth Science
In this science lesson students will examine the causes of indoor air pollution and investigate the role of environmental laws in keeping indoor spaces safe to breathe.
One neuroscientist’s deep dive into perception and reality | Christof Koch
Adults Science
Everything you experience is filtered through your brain, and everyone’s brain is different. Neuroscientist Christof Koch explains how understanding this can deepen your connection to the world around you.
Scientists Have Found the Perfect Urinal Shape
Adults Science
Science can help solve the world’s most important problems, and what could be more important than keeping pee off your shoes? Yes, even the lowly urinal—and those who use it—can benefit from the occasional peer-reviewed study.