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Colour-Changing Slime

KidsChemistryExperimentsHow-toKids 110Kids 115Kids 120Science
Have you ever wondered how to make colour-changing slime? Well, today's your lucky day!

When Did Humans Start Cooking?

YouthChemistryHistoryScienceYouth 120Youth 125Youth 130
New chemical analysis techniques suggest that humans may have controlled fire much earlier than previously believed.

What Are Natural Resources?

ChildrenEE1EE2EnvironmentLifeNatureScience
By the end of this science lesson students will be able to identify natural resources around them and explain how they are used in daily life.

Let's Fly!

YouthAdventureProblem-SolvingProcessScienceTechnologyTransportationYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina shows us how to do just that by going back to our original problem at the gorge.

What's In The Solar System?

ChildrenAstronomyEducationEE1EE2ScienceSpace
By the end of this science lesson, students will be able to define the solar system, and compare and contrast different objects we see in the sky.

Invisible Ink Science

KidsChemistryDIYExperimentsHow-toKids 110Kids 115Kids 120Science
Learn the science behind invisible ink and make your own, too!

Mirror Life - Biggest Threat You’ve Never Heard Of

AdultsBiologyScience
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?

ChildrenEE1EE2IndustryScience
By the end of this science lesson, students will be able to list and describe the steps of the trash disposal process.

Can Humanity Stop A Planet-Killing Asteroid?

AdultsAstronomyScienceSpace
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.

Star Personalities

YouthScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina chats about their difference and tells us what those differences mean.

What Are the Four Seasons?

ChildrenSeasonsEducationEE1EE2NatureScienceWeather
In this science lesson, students will learn all about the four seasons — spring, summer, fall, and winter.

How To Make Alum Crystals

KidsChemistryExperimentsHow-toKids 110Kids 115Kids 120Science
Today we are going to learn how to make crystals with alum powder!

The Wonder of Weightlifting | Jaime Seeman | TED

AdultsHealthHumorScienceSportsWomen
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.

Minerals, Crystals, & Gems

YouthEducationGeologyNatureScienceYouth 120Youth 125Youth 130
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.

Are Asteroids Dangerous?

KidsAstronomyKids 125Kids 130ScienceSpace
A sample of Bennu could tell us exactly how threatening this near-Earth asteroid is, and how we defend ourselves against it.

Stars, Constellations, and More

ChildrenAstronomyEE1EE2ScienceSpace
By the end of this science lesson, students will be able to describe the characteristics of stars and constellations.

If you had the chance to be immortal, would you take it?

AdultsEthicsPhilosophyPsychologyScience
Explore different philosophers’ ideas on immortality and dig into their theories about the positives and negatives of eternal life.

Why Grass Grows Better Under Trampolines

AdultsEnvironmentGardeningNatureScience
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.

Glowing Turmeric Experiment

KidsBiologyExperimentsKids 110Kids 115Kids 120Science
Today we are going to learn about one very special fluorescent spice with my glowing jellyfish experiment.

Dinosaur Pee?

YouthBiologyNatureScienceYouth 110Youth 115Youth 120Youth 125Youth 130
Today we continue our exploration of the water cycle by drinking some dinosaur pee.

The Earth's Rotation

ChildrenAstronomyEE1EE2Science
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.