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These hyaenodonts gave the world some of its largest terrestrial, carnivorous mammals ever known. While these behemoths were the apex predators of their time, they were no match for a changing world. Part of the "Eons" series.
(Source: DCMP)
In this episode, host Dianna Cowern discusses the physics behind vortex rings. She uses some food coloring in a swimming pool to demonstrate the creation of vortices. Part of the "Physics Girl" series.
In this episode, host Dianna Cowern conducts and explains 5 scary physics experiments. She uses dry ice, a Van de Graaff generator, and a plasma ball to demonstrate a few principles of physics. Part of the "Physics Girl" series.
Throughout the Cenozoic Era, marsupials and their metatherian relatives flourished all over South America, filling all kinds of ecological niches and radiating into forms that still thrive on other continents. Part of the “Eons” series.
People have been discovering the traces and remains of prehistoric creatures for thousands of years. They have also probably been telling stories about fantastic beasts since language became a thing. Is it possible that the monsters that populate myths and legends were influenced by the fossil record? Part of the "Eons" series.
Woolly mammoths disappeared from Europe and North America at the end of the last Ice Age, about 10,000 years ago. This episode sets out to solve one of the mysteries about these charismatic megafauna: why do most remains of mammoths found in the fossil record turn out to be male? Part of the "Eons" series. Please note this title discusses animal reproduction.
How could a body of water as big as the Mediterranean Sea just disappear? It would take decades and more than a 1,000 research studies to even start to figure out all the possible causes of one of the greatest vanishing acts in Earth’s history. Part of the "Eons" series.
In this episode, host Dianna Cowern studies the power of sound. She joins a group of performers to experiment with the powerful speakers at U Street Music Hall in Washington, DC. Part of the "Physics Girls" series. Please note this video may potentially trigger seizures for viewers with photosensitive epilepsy.
Singers try to sing into a pipe and find certain notes are impossible to sing, even for professionals. Why does this happen? The answer is resonant frequencies. Part of the "Physics Girl" series.
Long necks gave sauropods a huge advantage when it came to food. This benefit also enabled them to become the biggest terrestrial animals of all time. Part of the “Eons” series.
This episode explores the timing of when dogs first became domesticated. Most scientists agree that it took thousands of years to develop the deep bond between humans and dogs. Part of the "Eons" series.
What happens when black holes collide? What is the speed of gravity? There are so many weird questions related to gravitational waves, and host Dianna Cowern interviews Dr. Michael Landry for a better understanding of gravitational waves. Part of the "Physics Girl" series.
There is an elaborate social network living in forests. It’s called the “Wood Wide Web,” a massive and intricate network of fungi that exchange water, nutrients, and chemical signals with plants. This network of fungi is essential to the health and function of forests and to controlling climate change. Part of the "It's Okay to Be Smart" series.
In this episode, host Dianna Cowern details her trip to CERN in Geneva, Switzerland. During her visit she explores particles and learns more about the Large Hadron Collider. Part of the "Physics Girl" series.
Honey bees make honey from nectar to fuel their flight. They also need pollen for protein. So they trap, brush, and pack it into baskets on their legs to make a special food called bee bread. Part of the "Deep Look" series.
In 1964, a paleontologist named John Ostrom unearthed some fascinating fossils from the mudstone of Montana. Its discovery set the stage for what’s known today as the dinosaur renaissance: a total rethinking of what scientists thought they knew about dinosaurs. Part of the "Eons" series.
Paleontologists found a small theropod dinosaur skull right on top of a nest of eggs that were believed to belong to a plant-eating dinosaur. Instead of being the nest robbers that they were originally thought to be, raptors like this one would reveal themselves to actually be caring parents. Part of the "Eons" series.
Due to their strange combination of bear-like and dog-like traits, these amphicyonids are often colloquially referred to as "bear-dogs." They are closely related to true dogs and a little less related to bears. However, these animals are key to understanding the history of an important branch of the mammal family tree. Part of the "Eons" series.
How does a bear, which is a member of the order Carnivora, evolve into an herbivore? Despite how it looks, nothing about the history of the giant panda is black and white. Part of the "Eons" series.
In the late 1950s, a skeleton was discovered in a cave in Iraq that drove scientists to rethink what it means to be human. It was on of at least 9 sets of remains of Neandertals and was named Shanidar 1. The discoveries made about Shanidar 1 reveal that the Neadertals might not have been as primitive as originally thought. Part of the "Eons" series.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
