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Why are cockroaches so hard to kill? - Ameya Gondhalekar

Adults Animals Biology Education...

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

The Department of Redundancy Department

Adults Education Environment Science...

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

HISTORY OF IDEAS - Consumerism

Adults Education History Human...

It’s only very recently in history that we’ve been able to buy more than the bare necessities.

Stars For Kids

Kids Science Space Astronomy

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

Barriers Are In Your Mind

Youth Human World Disability...

After Albert Lin lost his leg in an accident, he chose to become bionic and rethink his entire world.

What is Sustainability

Adults Economy Science World...

Learn about the various ways that sustainability is defined.

How To Draw A Grasshopper

Kids Animals Art Creativity...

This lesson is meant for younger artists. Olivia and I are learning how to draw a super cute grasshopper!

The Aztecs

Youth History World Culture

Who are the Aztecs? Why do people study them? Answers here!

Crash Course Anatomy & Physiology Preview

Adults Biology Human Science...

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

Living And Nonliving Things

Kids Nature Science Biology

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

How to Start a Community Project in 10 Steps

Adults Human Wellness World...

Start a community group and improve your neighbourhood.

Raccoon - Amazing Animals

Kids Animals Nature

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

A Hamster Gets a Check-up

Youth Animals Health Pets

A Teddy Bear Hamster named Donavan is brought into the clinic because the owners are worried about his eye.

Why Does Salt Make Food Taste Better?

Adults Education Food Science

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

On, In, Under

Kids Music Education Language

A simple, silly song to practice the prepositions on, in and under.

Writing A Personal Narrative - Part 6

Youth Grammar Writing Education

Writing your revisions.

Crash Course Philosophy Preview

Adults Education History Human...

Coming in February 2016, Hank hosts Crash Course Philosophy, produced in association with PBS Digital Studios.

The Eiffel Tower For Kids

Kids History World Culture...

The Eiffel Tower in Paris, France is the most popular paid landmark in the world.

The Antarctic Mountaineer Life

Youth Work World Adventure...

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

Earth Day 2022

Kids Education Science World...

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

Earth Day 1970-2022

Youth Education Environment World...

The first Earth Day was in 1970. What’s changed since?