PBS
How a Supervolcano Made the Cenozoic’s Coolest Fossils
Volcanoes cause mass extinctions, climate change, and physical alterations of our planet. They also create great fossil records, time markers in layers of Earth, and an interesting way to study geology. A video describes how one...
PBS
When Birds Had Teeth
Scientists believe confuciusornis developed a beak and lost teeth as a key step in the evolutionary process. Learn more about confuciusornis and other birds, dinosaurs, and animals that evolved into the birds of today. PBS Eons walks...
PBS
When Insects First Flew
Insects developed wings and the ability to fly earlier than any other animal—when exactly did that happen? Scientists know this fact but struggle to explain when insect wings developed and how this entirely new structure appeared. PBS...
PBS
FAQs From Our First Year
After a year of PBS Eons videos, viewers raised some excellent points and questions. The hosts highlight the most common including classification of animals, when a new eon starts, how to pronounce scientific terms, and many other...
PBS
How the T-Rex Lost Its Arms
The Tyrannosaurs Rex grew up to 20 feet tall, yet their front arms were roughly the size of human arms—hardly proportional! Viewers see how the front limbs became smaller over the course of millions of years. PBS Eons goes on to explain...
California Academy of Science
Buses and Biofuels: Sustainable Transportation
One-third of all carbon emissions comes from transportation in the United States. The third lesson in a 13-part series on Exploring Energy offers ideas on how to reduce emissions from cars, airplanes, large trucks, and more.
PBS
Treasures of the Earth | When Did Plate Tectonics Begin?
Scientists know Earth's plates are constantly moving. One big question scientists have is, "When did they start moving?" PBS 6-8 Story of Earth series presents the research of one scientist trying to answer this question. Viewers learn...
PBS
How Horses Took Over North America (Twice)
Should horses be considered native to North America? PBS Eons presents the fossil record to answer this question. the video starts with the evolution of animals that eventually led to the family scientists now know includes horses. Then,...
PBS
The Mystery of the Eocene’s Lethal Lake
One lake in Germany killed everything that swam in it, drank from it, or flew over it providing scientists with an incredible fossil record and a huge mystery. PBS Eons explains the rarity of the fossil finds including turtles in the...
PBS
When Fish First Breathed Air
Many species find breathing a convenient way to survive. The PBS Eons series explains how fish learned to breathe air. It details what scientists know about evolutionary history as well as many species that developed this skill...
Howard Hughes Medical Institute
Lactose Digestion in Infants
Milk meets every single nutritional need for a baby in the first six months of life. Observe how an infant's small intestine breaks milk lactose down into a usable form of nutrition. With the help of an animation, viewers see the process...
Howard Hughes Medical Institute
Natural Selection of Lactose Tolerance
Different regions of the world have greatly varying rates of lactose tolerance. Learn why this mutation spreads in some populations and not others with an educational video. Viewers consider the relationship with natural selection in...
PBS
Black Hole Apocalypse | Modeling Galaxies
Once, scientists believed black holes to be rare, but modern technology is proving otherwise. Using data from the Hubble telescope, scientists create computer models of distant galaxies. They discover super massive black holes in the...
Deep Look
Praying Mantis Love is Waaay Weirder Than You Think
Some praying mantises find themselves decapitated and yet still find a way to actively mate. Learn more about these savage insects and why they behave this way. Viewers observe high detail, graphic videos of various mating scenarios...
Howard Hughes Medical Institute
Lightning-Strike Cabal Acts like a Taser
Observe how the toxin snails release acts in the nervous system of fish. After the explanation, pupils better understand the consequences for both the fish and the snail thanks to the predatory adaptation.
PBS
Seasonal Science: Ragweed Allergies
What's the difference between seasonal allergies and seasonal colds? Learn about one of the most common seasonal allergies, ragweed, through a brief yet informative video as part of the Seasonal Science series. Understand why ragweed is...
Deep Look
A Baby Dragonfly's Mouth Will Give You Nightmares
Dragonflies have existed for more than 320 million years and used to have a wingspan of more than two feet. An informative video helps viewers understand the adaptations of this insect to survive longer than the dinosaurs, and their...
Deep Look
It’s a Goopy Mess When Pines and Beetles Duke it Out
A few tiny western pine beetles bring down giant ponderosa pine trees every year. Learn about the battle between the pines and beetles and how each attempts to control the other. A 4-D video of the process comprises part of a larger...
Deep Look
These Whispering, Walking Bats Are Onto Something
Over millions of years, bats developed flight and echolocation, so why are some bats now walking to look for food? An interesting video explains the changes in predator and prey relationships due to adaptation. Which adaptation is the...
Deep Look
There's Something Very Fishy About These Trees ...
Around 80 percent of the nitrogen in plants living in coastal forests comes from decaying fish. Viewers learn how salmon encourage the growth of forests with a scientific video that highlights interdependence, ecosystems, and the...
PBS
Seasonal Science: Venus Flytrap
Over 600 species of carnivorous plants exist. A Seasonal Science video discusses one of the most recognizable, the Venus flytrap, Viewers learn how the plant determines which bugs to eat, which to allow to pollinate, and much more.
PBS
Seasonal Science: Hibernation
Without access to water, humans survive only a few days yet animals that hibernate seem to survive without water for months. Learn how animals survive hibernation in a video that is part of the Seasonal Science series. It addresses many...
PBS
Seasonal Science: Asian Tiger Mosquito
Most people find mosquitoes merely annoying, but can they also be deadly? The Seasonal Science series introduces the Asian Tiger Mosquito, one of the most troublesome mosquitoes in the world. The narrator details the viruses the pests...
TED-Ed
Why Is It so Hard to Cure ALS?
Although discovered over 150 years ago, scientists still struggle to find a cure or treatment for ALS. Viewers of a short video learn about the challenges facing scientists in their attempts to help those who suffer from ALS.