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Illegal Sound

AdultsHistoryPoliticsScience...
Why This Sound is Illegal to Play

The Department of Redundancy Department

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

Why are cockroaches so hard to kill? - Ameya Gondhalekar

AdultsAnimalsBiologyEducation...
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

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

What is Sustainability

AdultsEconomyScienceWorld...
Learn about the various ways that sustainability is defined.

Crash Course Anatomy & Physiology Preview

AdultsBiologyHumanScience...
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!

Why are insects important?

AdultsIndustryLifeNature...
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.

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

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

We WILL Fix Climate Change!

AdultsFutureScienceWorld...
Our home is burning. Rapid climate change is destabilizing our world. It seems our emissions will not fall quickly enough to avoid runaway warming and we may soon hit tipping points that will lead to the collapse of ecosystems and our civilization.

Could a solar storm destroy modern civilization? - Fabio Pacucci

AdultsEducationScienceSpace...
Explore the science of solar storms, and find out why they occur and just how prepared we are for a major event.

Why Water Dissolves (Almost) Everything

AdultsEducationEnvironmentScience...
Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?

How Horses Save Humans From Snake Bites

AdultsAnimalsNatureScience...
To make antivenom, you first need to collect venom from the world’s most deadly snakes.

The ingredient in almost everything you eat

AdultsFoodHumanScience...
Dig into the science of soy, and discover what makes soybeans such versatile plants and whether it’s healthy for you and the planet.

An Egg Is Just One Cell

AdultsBiologyFoodScience
One of Earth's biggest cells is one you're probably really familiar with.

The woman who stared at the sun - Alex Gendler

AdultsHistoryHumanLife...
Get to know the legacy of Hisako Koyama, whose drawings of the sun’s surface helped scientists reconstruct 400 years of sunspot activity.

Mineral Extraction: Crash Course Geography #44

AdultsConstructionHumanScience...
Today we're going to take a look at mineral extraction -- or the removal of rocks and minerals from the Earths' crust -- and examine how this human activity impacts all aspects of Geography.

Scientists Reveal How Time Travel Is Actually Possible

AdultsHistoryHumanScience...
Is it actually possible to travel through time? Scientists say "Yes", but what does that actually mean?

Can you solve the Big Bang riddle? - James Tanton

AdultsHistoryHumanScience...
It’s moments after the Big Bang and you’re still reeling. You’re a particle of matter, amidst a chaotic stew of forces, fusion, and annihilation.

The Freshwater Paradox

AdultsAnimalsLifeNature...
Even though less than 1% of Earth's water is freshwater, it's the home for 50% of fish species. This is the Freshwater Paradox.

The Freshwater Paradox

AdultsEducationLifeNature...
Even though less than 1% of Earth's water is freshwater, it's the home for 50% of fish species. This is the Freshwater Paradox.