Nature League
Invertebrates and Ocean Mixing - De-Natured
It's time to mix things up! Introduce biology scholars to the latest topic in marine research—invertebrates! The third installment in a five-part series of Invertebrates lessons explains the hypothesis that tiny, migrating shrimp are...
Nature League
Searching for Mysis Shrimp - Field Trip
Surely, the biggest fish in the lake will benefit from a meal of big, tasty shrimp! Take biology scholars on a trip to Flathead Lake in the second of a five-part Invertebrates series. Scientists currently studying the lake take the...
PBS
Killer Landslides | Monitoring and Predicting Landslides
Landslides kill between 25 and 50 people every year in the United States alone. This is why predicting a landslide literally saves lives. A scientist applied new technology to a mountain and accurately predicted a landslide. Thanks to...
PBS
The Rise and Fall of the Bone-Crushing Dogs
Fun fact: giant, bear-sized dogs with teeth that crush bones existed in North America. Learn about the three species of dogs and their ultimate fates as cats moved into the area. An informative video describes the rise of all three...
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...
Nature League
Sex Cells and Inherited Trauma - De-Natured
Do our experiences in childhood become part of our genetic makeup? The third of a four-part video series focusing on reproduction examines trending research in epigenetics. The narrator explains the experiment, data, and analysis of the...
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.
Nature League
What Are Invertebrates? - Lesson Plan
Insects, and other invertebrates outnumber vertebrates—segmented-legs down! The first in a five-part series of videos from an Invertebrates series introduces these organisms in all their spineless glory. Each invertebrate phyla takes the...
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...
Crash Course
Moonlight
The Academy of Motion Pictures Arts and Sciences awarded its 2017 Best Picture award to Moonlight, which was written and directed by Barry Jenkins. The tender exploration of expectations for black men, contrasted with the reality of...
PBS
Arthropod Animation: Scorpion Book Gills
Gills extract oxygen from water and send it to the blood stream while removing carbon dioxide and sending it back to the water through these feather-like features. View an animation of scorpion gills, called book gills, by first peeling...
Crash Course
Biology Before Darwin: Crash Course History of Science #19
When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...
Crash Course
Newton and Leibniz: Crash Course History of Science #17
The scientific revolution went out with a bang, thanks to some impressive intellectuals! Newton's and Leibniz's noteworthy discoveries unfold in the 17th installment in a lengthy History of Science series. Viewers witness the birth of...
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
Gleevec Inhibits Cancer-Causing Kinase BCR-ABL
Less than 30 percent of those diagnosed with acute myeloid leukemia live for five years. One researcher shares a breakthrough in treatment for this specific type of cancer. He explains how it spreads and how the medication prevents the...
PBS
Sponge Animation: Wild Ride Through a Sponge
Sponges filter many times their body volumes in water every hour with no breaks. Viewers find themselves being swept inside a sponge to observe the filtering process from the inside. They view the canals, the feeding cells, the spicules,...
PBS
Sponge Animation: Spicules
Many people think of sponges as being soft, but that's not the case in the ocean. Viewers learn about the sponge skeleton made of hard crystal material. They observe the many unique shapes and understand how scientists use these shapes...
PBS
Molluscs: Blue-Ringed Octopus Warning Coloration
What animal is only eight inches long and can easily kill an adult human? The blue-ringed octopus changes body color before neutralizing any threat, human or not. Observe the drastic changes to body color in a short video.