TED Talks
Wade Davis: Dreams from endangered cultures
With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.
Crash Course
Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology
Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...
TED Talks
TED: How to grow a forest in your backyard | Shubhendu Sharma
Forests don't have to be far-flung nature reserves, isolated from human life. Instead, we can grow them right where we are -- even in cities. eco-entrepreneur and TED Fellow Shubhendu Sharma grows ultra-dense, biodiverse mini-forests of...
Crash Course
Pollution: Crash Course Ecology
Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and...
Crash Course Kids
H2O-NO! - Fresh Water Problems
What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in...
Bozeman Science
The Scientific Method
Mr. Andersen gives a brief description of the scientific method.
Crash Course Kids
Let's Take a Hike
Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and...
Crash Course
The Global Carbon Cycle - Crash Course Chemistry
In this final episode of Crash Course Chemistry, Hank takes us on a tour of the The Global Carbon Cycle and how it all works. From Carbon Fixation to Redox Reactions, it's all contained within! -- Table of Contents The Carbon Cycle 0:51...
Crash Course Kids
Home Sweet Habitat: Crash Course Kids
How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this...
SciShow Kids
Check Out the Great Barrier Reef!
Barrier reefs are home to all kinds of amazing animals, but did you know that the coral itself is an animal? Join Jessi and Squeaks to learn all about coral and the longest coral reef in the world, The Great Barrier Reef!
Bozeman Science
Energy Flow in Ecosystems
In this video Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An explanation...
MinuteEarth
Why Our Favorite Crops Live Fast and Die Young
We mostly grow annual plants because they reliably produce energy-rich seeds, which we like to eat. ___________________________________________ To learn more, start your googling with these keywords: Annual: a plant that typically lives...
Crash Course
Vascular Plants = Winning! - Crash Course Biology
Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can...
Crash Course
The Sex Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology
Hank introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the...
Crash Course
Plant Cells: Crash Course Biology
Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to & different from animal cells.
Crash Course
The Plants & The Bees: Plant Reproduction - CrashCourse Biology
Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently...
Crash Course Kids
Fabulous Food Chains
Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first...
SciShow Kids
Meat-Eating Plants
Many animals eat plants, but did you know some plants eat animals? Jessi and Squeaks explore some of their favorite meat eating plants!
SciShow Kids
The Biggest Rodent!
Rodents are known for being pretty small, but wait till you see the world's largest rodent: the capybara!
Bozeman Science
LS2B - Cycles of Matter and Energy Transfer
In this video Paul Andersen explains how matter moves from the environment into living organisms and back into the environment. Food webs are used to show how matter and energy move through organisms. Ecological pyramids show that matter...
SciShow Kids
Where Did the Moon Come From?
Do you love to look at a big, beautiful full moon in the night sky? So do Jessi and Squeaks! But how did the moon get up there? And what is it made of?
SciShow Kids
It’s Alive! Biology for Kids
You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how...
SciShow Kids
Look Inside a Flower! Science Project for Kids
Squeaks has a Valentine's surprise for Jessi: a bouquet of flowers! Flowers are beautiful and they smell great, but did you know that flowers also do a very important job?