Bozeman Science
Fossil Fuels
In this video Paul Andersen explains how fossil fuels are formed when organic material is heating and squeezed in an anaerobic environment. Formation, extraction, advantages, and disadvantages are discussed for coal, petroleum and...
TED-Ed
TED-ED: Why do animals form swarms? - Maria R. D'Orsogna
When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size. They have no leader, and members interact only with their neighbors or...
TED-Ed
TED-ED: Why isn't the world covered in poop? - Eleanor Slade and Paul Manning
Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn't the planet covered in the stuff? You can thank the humble dung beetle for eating up the excess. Eleanor...
Bozeman Science
Ecosystem Diversity
In this video Paul Andersen explains how biodiversity can be measured through genetic, species, or ecosystem variety on the planet. Species diversity is increased through speciation and decrease through extinction. The mechanism for...
TED-Ed
TED-Ed: Reasons for the seasons - Rebecca Kaplan
Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca Kaplan explains how the shape of the Earth's orbit around the...
Bozeman Science
Geology
In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. Hot...
TED-Ed
TED-Ed: Conserving our spectacular, vulnerable coral reefs - Joshua Drew
How do coral reef conservationists balance the environmental needs of the reefs with locals who need the reefs to survive? Joshua Drew draws on the islands of Fiji and their exemplary system of protection, called "connectivity", which...
Bozeman Science
Forestry and Rangelands
In this video Paul Andersen explains how forests and rangelands are managed to provide renewable lumber and cattle. Threats to renewability of forests include old-growth logging, forest fires, and tree plantations. Threats to renewable...
Bozeman Science
Environmental Science
In this video Paul Andersen outlines the AP Environmental Science course. He explains how environmental science studies the interaction between earth and human systems. A planetary boundary model is used to explain the importance of...
Bozeman Science
Soil and Soil Dynamics
In this video Paul Andersen explains how soils are formed and classified. Weathering of rock creates particles which are mixed with water, air, and organic material. Soils are classified according to particle size, chemical makeup, and...
Bozeman Science
Human Population Size
In this video Paul Andersen explains how the world population has undergone exponential growth since the industrial revolution. Predicting the future world population is difficult because each country will grow at different rates....
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...
Bozeman Science
Ecosystem Ecology
In this video Paul Andersen explains how ecosystems function. He begins with a description of how life on the planet is ordered from large to small in biomes, ecosystems, communities, population, and individuals. He describes the major...
TED-Ed
TED-ED: How did Polynesian wayfinders navigate the Pacific Ocean? - Alan Tamayose and Shantell De Silva
Imagine setting sail from Hawaii in a canoe. Your target is a small island thousands of kilometers away in the middle of the Pacific Ocean - a body of water that covers more than 160 million square kilometers. For thousands of years,...
The Daily Conversation
Fight Climate Change, Eat Less Meat
New ReviewMeat consumption is the leading cause of climate change. Animal agriculture accounts for roughly half of global emissions. On average, each American eats 275 pounds of meat a year, compared to the global average of 90 pounds per person...
Curated Video
The Biggest Climate Scam Ever?
What happens when a study goes viral? After the “trillion tree” campaign captured the internet's imagination, YouTube sensation, MrBeast, raised 20 million dollars to plant 20 million trees. But did they survive? We went to check in on...
Curated Video
Why This Unusual Pattern May Save the Rainforests
The Choco region in northwest Ecuador is hosting a groundbreaking experiment to try and help it’s rainforests recover from rampant deforestation. A multinational team is planting small “tree islands" to attract natural seed dispersers....
Makematic
Rivers
Learn about the longest rivers in the United States, and their roles in shaping the nation's landscape, culture, and history.
Makematic
Land and Water
Discover Earth's physical features, from oceans to mountains, and learn how land and water form our planet's diverse landscapes.
Curated Video
Earth’s Climate Has Always Changed. Why All the Fuss?
If you take a look at global temperature graphs that span millions or billions of years, you can see that our planet’s temperature has made wild swings. In fact, the Earth used to be completely covered in snow and ice! So, what’s the big...
Curated Video
Why Are So Many of Gray Whales Washing Ashore?
From Mexico all the way up to Alaska, hundreds of gray whales have been washing up ashore. The deaths peaked in 2019, and the numbers were so significant that it led scientists to call it an Unusual Mortality Event (UME) which kicked...
Curated Video
Was This Really a 1 in 700,000,000,000 Year Event?!
For decades, Antarctic sea ice trends seemed to defy climate change, until…they didn’t. In just two years, Antarctica lost as much sea ice as the Arctic lost in three decades. Statistics say that the record low sea ice in 2023 was a 1 in...
Food Farmer Earth
Alan Kapuler on Monoculture and Sustainability: A Scientist's View
Discover Alan Kapuler's insights into the scientific and ethical implications of monoculture farming. Learn how his commitment to biodiversity and sustainable practices offers solutions for more resilient agricultural ecosystems.
Curated Video
Cool Us or Kill Us? Did Geoengineering Cause a Huge Famine?
This episode of Weathered explores the controversial world of solar geoengineering by injecting sulfate aerosols into the stratosphere, looking at both the controversial promises and profound risks associated with manipulating the...