Bozeman Science
LS2A - Interdependent Relationships in Ecosystems
In this video Paul Andersen explains the important relationships that exist in ecosystems. He starts by delineating between organisms and their environment. He explains how food webs can be used to show energy and matter flow in a...
Crash Course
The Agricultural Revolution Crash Course World History
In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today. Also, there are some...
SciShow
Why Do You Get Hangry?
Hanger is the grumpiness you feel when you are hungry. We've all been there, but what's the science behind it?
SciShow
The Deal with Protein
People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that.
Crash Course
Population, Sustainability, and Malthus: Crash Course World History 215
In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In...
SciShow
The High-Tech Future of Sustainable Fishing
We’ve gotten maybe too good at fishing, and as a result we’ve completely transformed the oceans. So what can we do to make fishing more sustainable and still enjoy our fish and chips?
TED Talks
TED: What Americans agree on when it comes to health | Rebecca Onie
We may not be as deeply divided as we think -- at least when it comes to health, says Rebecca Onie. In a talk that cuts through the noise, Onie shares research that shows how, even across economic, political and racial divides, Americans...
SciShow
Bears Have Babies While They’re Hibernating
Bears forgo many activities to conserve their energy in the winter when food is scarce, including eating, peeing, and pooping. There is one thing that they specifically DO do during the winter, though: give birth! But, giving birth...
SciShow
When Algae Learned to Hunt
You probably don't consider algae to be super aggressive, but 66 million years ago had to turn to murder in order to survive.
TED Talks
TED: The mighty power and flavor of plants | Derek Sarno
Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He...
TED-Ed
TED-ED: What is a calorie? - Emma Bryce
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need?...
TED Talks
How to turn a group of strangers into a team | Amy Edmondson
Business school professor Amy Edmondson studies ""teaming,"" where people come together quickly (and often temporarily) to solve new, urgent or unusual problems. Recalling stories of teamwork on the fly, such as the incredible rescue of...
SciShow Kids
How a Caterpillar Becomes a Butterfly
You’ve seen caterpillars, and you’ve seen butterflies. But do you know how a caterpillar becomes a butterfly? Jessi explains the wonder of metamorphosis!
TED Talks
Asmeret Asefaw Berhe: A climate change solution that's right under our feet
There's two times more carbon in the earth's soil than in all of its vegetation and the atmosphere -- combined. Biogeochemist Asmeret Asefaw Berhe dives into the science of soil and shares how we could use its awesome carbon-trapping...
SciShow Kids
What Is Pumpkin Spice?
Sam the Bat stopped by the fort today, and brought his famous pumpkin spice cookies! But what exactly is pumpkin spice?
TED-Ed
TED-Ed: The myth of Hades and Persephone | Iseult Gillespie
One day, Persephone was frolicking in a meadow with the nymph, Cyane. As they admired a flower, they noticed it tremble in the ground. Suddenly, the earth split, and a terrifying figure arose. It was Hades, god of the underworld. He...
SciShow Kids
Why Does Bread Have Holes In It? | SciShow Kids
Mister Brown and Squeaks are making bread, and they're going to need a tiny little helper to get the job done: a fungus called yeast!
Disciplinary Core Idea:
PS1.B: Chemical Reactions - Heating or cooling a substance may cause changes...
SciShow Kids
How Living Things Work Together
Bill and Webb can’t seem to agree, so they head the The Fort where Mister Brown tries to help them work together by teaching them about mutualisms, or when different types of animals help each other in the wild! Next Generation Science...
Crash Course
Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology
Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than...
TED Talks
TED: The problem with plastics -- and how they're changing the environment | Patricia Villarrubia-Gómez
Plastics are everywhere -- they're in our favorite electronic devices, they package our food and insulate our homes. Today, the total mass of plastic is twice the total mass of all living organisms on the planet, and it's starting to...
SciShow Kids
How Do Squirrels Find the Food they Hide? | How Animals Prepare for Winter | SciShow Kids
Squirrels eat a lot of things that are pretty tricky to find in the winter, like nuts and berries. Luckily for them, they have lots of clever ways to store up food to last them through the cold parts of the year!
TED-Ed
TED-ED: The chemical reaction that feeds the world - Daniel D. Dulek
How do we grow crops quickly enough to feed the Earth's billions? It's called the Haber process, which turns the nitrogen in the air into ammonia, easily converted in soil to the nitrate plants need to survive. Though it has increased...
Bozeman Science
Animal Behavior
Paul Andersen steps you through eight types of animal behavior. He starts by defining ethology and explaining that behavior varies from innate to learned. He discusses each of the following with examples; instinct, fixed action pattern,...
Crash Course
The Age of Exploration: Crash Course European History
The thing about European History is that it tends to leak out of Europe. Europeans haven't been great at staying put in Europe. As human beings do, the people of Europe were very busy traveling around to trade, to spread religion, and in...