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The Department of Redundancy Department

AdultsEducationEnvironmentScienceHumorFunny
Who needs redundancy? Well, everyone, it turns out.

Why are cockroaches so hard to kill? - Ameya Gondhalekar

AdultsAnimalsBiologyEducationScienceHumor
Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.

How Electricity Actually Works

AdultsEducationScienceTechnologyPhysics
Electricity is related to magnetism, both being part of the phenomenon of electromagnetism...

Stars For Kids

KidsScienceSpaceAstronomy
On a dark clear night, you can see a sky full of stars. But what is a star?

What is Sustainability

AdultsEconomyScienceWorldEnvironment
Learn about the various ways that sustainability is defined.

Living And Nonliving Things

KidsNatureScienceBiology
Living things are called organisms, and anything from a blue whale to a spot of mold can be a living organism!

Crash Course Anatomy & Physiology Preview

AdultsBiologyHumanScienceEducationHealth
We made flashcards to help you review the content in this series! Find them on the free Crash Course App!

Why Does Salt Make Food Taste Better?

AdultsEducationFoodScience
Salt doesn’t just make things salty! It has a lot of different effects on how we perceive flavors!

Earth Day 2022

KidsEducationScienceWorldEnvironment
Learn all about Earth Day in this video! You'll learn why Earth Day is a holiday, how to participate, and more!

The Antarctic Mountaineer Life

YouthWorkWorldAdventureScienceNature
Find out what it's like to be a mountaineer stationed in Antarctica.

Smart Chain Mail

YouthCreativityTechnologyScience
Researchers have developed a new kind of material with adjustable and reversible properties.

Have You Ever Seen An Atom?

YouthPhysicsScienceTechnology
Scientists at the University of California Los Angeles have found a way to create stunningly detailed 3D reconstructing of platinum nanoparticles at an atomic scale.

Why Don't Fish Freeze In Winter?

KidsAnimalsScienceNature
Squeaks wants to know what happens to fish when the seasons change and the pond freezes in winter!

Why are insects important?

AdultsIndustryLifeNatureScienceEnvironmentFood
Insects pollinate plants. While bees and butterflies get all the credit, moths, wasps, ants and beetles are also pollinators. Insects are integral to our food systems as one-third of food crops depends on the important work of pollinators.

Symbiotic Fungi

YouthNatureScienceBiology
David Attenborough encounters a parasitic fungi that lives off the plants it inhabits.

Are There Rainbows On Mars?

YouthEducationSpaceScience
NASA scientist Mark Lemmon explains why the Red Planet is a rainbowless world.

The Water Cycle For Kids

KidsScienceWorldEducation
In The Water Cycle for Kids, you will learn all four stages of this process, and you may even discover that you've seen it in action many times!

How To Grow Bean Plant

KidsNatureScienceEducation
What do plants need to grow? Watch this video to learn how to grow a bean plant!

Dolphins Use Stingays to Hunt Octopus | Ocean Giants | BBC Earth

AdultsAnimalsLifeNatureScienceOcean
These crafty dolphins are exploiting sting rays to hunt for their favourite snack – octopus!

Tarantula - Amazing Animals

KidsAnimalsScienceNatureEducation
Learn some amazing facts about the tarantula in this video from National Geographic Kids.

All About Auroras

KidsNatureWorldScience
Auroras are beautiful, mysterious light displays in the sky that are caused by solar wind from the sun interacting with the earth's magnetosphere.