Fire and light play an almost universal role in world religions, and the predecessors for the Aztecs were no exception. Using an animation, the enlightening video recreates the Teotichuacan Fire Ceremony with rich details and features...

Equal protection under the law for every citizen—what prompted this civil right? The Fourteenth Amendment pushes individuals, as well as the Supreme Court, to examine the need for the privileges and immunities following the Civil War....

Could you defend yourself in a trial when pitted against a professional lawyer? A short video clip explains to young learners the need for a proper defense. They explore the Supreme Court case Gideon v. Wainwright, analyzing and...

How did American political parties form? Scholars research the end of the Washington era and the beginning of politics in America. Video evidence and discussion questions allow insight into the emergence of the three branches of...

See the world as it was—and also how it will be! A riveting video from a vast biology and earth science playlist takes viewers back in time to see how supercontinents formed, broke apart, and formed again. The resource includes a sneak...

How did scientists unravel the mystery of an ancient beaver species? An engaging video from a well-written biology playlist discusses the discovery of strange spiral fossils found in Nebraska farm country. Junior paleontologists examine...

Where would we be without bacteria? As it turns out, we owe them everything! Introduce young biologists to endosymbiotic theory using an amazing video from an extensive biology playlist. Scholars discover the bacteria that may be...

Gigantopithecus was the greatest of the great apes! Whatever became of them? Take a journey to Asia and explore the forests and grasslands that were once home to the large primate using a video from an extentsive biology playlist....

Global warming ... greenhouse gases ... climate change ... sounds familiar, right? What about palm trees in Wyoming, or swimming in the sea near Antarctica? Science scholars discover the unbearable conditions Earth experienced during its...

Smilodon's fangs averaged 18 cm long. An engaging video explains what saberteeth are and how they evolved. It details the theories about how species used saberteeth and why cats don't have them today. 

Time does not exist as a universal constant, yet it can be defined as a concrete reality. These concepts and more provide the inspiration for an episode of Space Time's larger series of the same name. It discusses causal order, the...

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...

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...

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...

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...

Before the Pilgrims' arrival to New England, a vicious plague swept across New England and wiped out over 50% of the Native American people from Maine to Massachusetts. Watch a video that examines this devastation and the role it played...

What was the Mayflower Compact? Watch a video that explains the purpose of coming to New England on the Mayflower and the social compact that bound the Pilgrims to the government and laws that would be created in the new land.

As a young boy, William Bradford was drawn to the Separatist idea that Christ could be with a person through prayer and worship. But soon after the Separatists arrived to Plymouth, the experiment in the New England had failed. Watch a...

After over 66 days of sailing across the Atlantic on the Mayflower, the Pilgrims met their worst enemy: winter. Watch a video that discusses the difficulties and deaths the passengers faced once they arrived to Plymouth during the winter...

Math versus physical reality ... who wins? A short video discusses singularities, starting with division by zero in rational functions and moving on to real-world examples. It covers population growth doomsday equations, Navier-Stokes...

Feel like Hercules for a day. Individuals watch a video that describes how to defeat a mathematical Hydra that grows additional heads when one is cut off. The solution requires scholars to use ordinals and the well-ordering theorem.

Scholars learn about the basics of quantum computing, starting with Schrodinger's Cat through a video that explains the mathematics behind quantum computers, including the representation of quantum gates as matrices.

No one wants to pay more for rent than they need to. Here is a video where future renters can learn how to fairly split rent with roommates based on room preferences. An explanation of the Sperner's lemma using an simplex isn't as...

Imagine an infinitely-large chess board with an infinite number of pieces. Pupils learn about infinite chess and how it is a determined game, in that there is always a winning strategy. The video first applies Zermelo's Theorem to show...