Why Do We Have Crooked Teeth?
YouthHistoryScienceBiology Explore the prevailing scientific theory of why crooked teeth and impacted wisdom teeth are recent developments in human evolution.
4 epidemics that almost happened (but didn't) - George Zaidan
AdultsHistoryIndustryLifeHealthScience... What makes for an effective outbreak response? Explore successful systems from around the world that prevented epidemics.
The science of super longevity | Dr. Morgan Levine
AdultsBiologyHumanScienceHealth... Science can’t stop aging, but it may be able to slow our epigenetic clocks.
Burn Your Waste With... Water?
AdultsLifeNatureScienceEnvironment... Supercritical water produces fire without flames, which is great for making clean drinking water from our waste in space or breaking down forever chemicals here on Earth.
What Is A Sea Bunny?
YouthAnimalsScience Scientist Suzanne Williams explains what these cute little creatures are.
What Are Plants Made Of? Crash Course Botany
AdultsEducationFoodLifeScienceBiology... When you eat a salad for lunch, you’re digging into a giant pile of plant organs. That’s right—plants are made up of organs, only theirs follow a totally different set of rules from our own.
Forces And Motion
YouthPhysicsScience This video will explain what force and motion are, what their relationship is to each other, and what relationship there is between force, mass, and acceleration.
A Lesson In Impermanence: Fungi
YouthNatureSelfWellnessScienceEducation... With calming narration and soothing nature visuals, we’ll learn about how fungi grows and how mushrooms play an important part in the life cycle of all living things.
Can Zoos Save Species From Extinction?
YouthAnimalsHistoryScienceEnvironment... Dig into the breeding program that saved Takhi horses from extinction, and explore the role of zoos in animal conservation.
Bedtime History: Sally Ride
YouthFactsHistoryWomenScienceSpace... Learn about the physicist and astronaut, Sally Ride, who became the first American woman to fly in space.
Primitive Technology: Roasted Ore and Shell Flux Smelt
AdultsCreativityLifeNatureScienceExperiments... I tested 2 ways of improving iron smelts by treating the ore, roasting the ore and using snail shells as a flux. Then finally I recycled old slag to see if it would produce any more iron.
Your Body Killed Cancer 5 Minutes Ago
AdultsBiologyHealthHumanScience... Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time.