PBS
Stegosaurs: Tiny Brains and Thagomizers
In 1982, a Far Side comic referenced the thagomizer, and now thagomizer remains the appropriate term used by the Smithsonian, BBC, and scientists. An engaging video explains why stegosaurs are unique, focusing on the tiny brains,...
PBS
That Time Oxygen Almost Killed Everything
Oxygen keeps us alive, but did you ever consider how Earth found the right balance? Eons produced this video as part of a larger series that explores when Earth contained very little oxygen and green oceans ruled the planet. Viewers see...
PBS
Dimetrodon: Our Most Unlikely Ancestor
Dimetrodon lived before flowers, and people often believe it was a dinosaur. Research, however, proves a different story. An informative video teaches more about the dimetrodon, a mammal often confused for a reptile. It explains the...
PBS
The Extinction That Never Happened
How do scientists define a mass extinction event in the fossil record, and what happens when they are wrong? Scientists find living plants and animals previously believed to be extinct on almost every continent. An engaging video...
PBS
History's Most Powerful Plants
At one point, scale trees accounted for nearly half of the biomass in North America and Europe. An installment of a longer video series introduces these strange plants and describes their features, adaptations, and eventual demise. It...
PBS
When The Earth Was Purple
Earth appears blue and green now, but an interesting video covers a theory about when our planet was purple. We know the sun emits mostly green light, so why do most plants repel green light rather than absorbing it? Did purple microbes...
PBS
When Whales Walked
Remember that time whales were the size of house cats and walked on land? It's true—the evolution of whales is stranger than many suspect! See it all unfold in a historical video from PBS Eons channel that presents the evidence proving...
PBS
An Illustrated History of Dinosaurs
Science and art influence each other, and a visual study of dinosaurs based on artwork throughout time introduces an interesting topic. The video from the PBS Eons channel features Hank Green. It highlights artwork from the earliest...
Veritasium
Scientific Notation - Explained!
Scientists use very large and very small numbers when measuring things. A Veritasium video explains how scientific notation simplifies these numbers. It offers examples of how to convert such numbers into scientific notation—and from...
Veritasium
Atomic Theory
"I would rather have questions that can't be answered than answers that can't be questioned." - Richard Feynman. The video by Veritasium presents one of these questions, proposed by Feynman, along with his answer. It discusses the...
PBS
The Food Chain
How does the amount of water required to grow alfalfa impact ice cream prices? The PBS food science video, part of a larger playlist, explains how farmers use water to grow the alfalfa that is fed to dairy cows. the video introduces the...
PBS
Turning Food Waste Into a Resource
One in every seven truckloads of perishable foods delivered to grocery stores gets thrown away. Is there anything that can be done with this waste? One solution is to recycle the old produce and turn it into fertilizer. The video, part...
PBS
Food Is Fuel
Which has more calories, a cupcake or a rat? The odd question grabs pupils' attention as they learn about food as fuel in an intriguing installment of the PBS food science playlist. The video explains how scientists use a bomb...
PBS
The Sweet Science of Chocolate
Mesoamericans discovered the cocoa tree more than 2,000 years ago, and chocolate has been popular ever since. The PBS video, part of a series on food science, iexamines cocoa trees, the history of the uses of cocoa, and how people make...
PBS
Secrets of Sourdough
What makes sourdough bread different from other types of bread? An installment of a PBS food science video series explains the science behind fermentation, yeast, bacteria, and their relationship with sourdough bread. It also discusses...
PBS
The Science of Taste
Neuroscientists and biologists study how we process our senses and the impact our receptors have on our food choices. The video, part of a food science series from PBS, highlights the nerves used in eating including the taste and...
PBS
The Age of Giant Insects
The largest arthropod that walked on land measured more than two meters long. An intriguing video looks invertebrates throughout the history of Earth. It explains the drastic differences and why scientists theorize they evolved in this...
PBS
How Did Dinosaurs Get So Huge?
In museums, dinosaurs tower over all other animals. A larger-than-life installment of the "Eons" video series explains some of the theories about the size of dinosaurs. It presents the evidence for each theory and discusses the unknowns...
PBS
'Living Fossils' Aren't Really a Thing
Do all species evolve? A timeless video that is part of the "Eons" playlist explains the term living fossils. It presents the species that many believe haven't evolved over millions of years. It goes on to break down each assumption and...
PBS
Next Meal: Engineering Food
Are genetically engineered foods risky or beneficial overall? The video, part of the PBS food science series, explores the debate from a scientific perspective. It explains the history of genetic modification, the benefits, and the...
PBS
The Science and Art of Cheese
The United States produces more than a billion pounds of cheese every month. The video, part of the PBS food science series, explains the science of making cheese. It introduces cheese makers and their processes. In addition, it...
The Brain Scoop
How to Pin an Insect
Have you ever tried to pinpoint the exact type of insect captured? Scientists collect insects and pin them for future study to do just that. The video explains how to properly pin an insect to display the unique body parts and features....
NASA
The Water Cycle: Following the Water
Water that leaves the oceans must eventually return. The animations in the final lesson of the four-part NASA series show the complex path water can take across landforms before returning to the ocean. Approximately one-third of the...
NASA
The Water Cycle: Watering the Land
The oceans contribute 37 trillion tons of water to land masses in the form of rain and snow. The third in a four-part series from NASA show satellite animations highlighting the precipitation on Earth. The videos show the movement of the...