Be Smart
Why Are Some People Left-Handed?
Most animals that show a paw preference are split 50/50 with half of the population preferring one side and the other half preferring the other, yet in humans only 10 percent are left-handed. The video explains what part of the brain...
Crash Course
Columbus, de Gama, and Zheng He! 15th Century Mariners
Learners discover the Age of Exploration by comparing and contrasting the explorations of Zheng He, Christopher Columbus, and Vasco da Gama in this engaging history episode. The narrator discusses who may be considered the greatest...
Jacob Clifford
Tariffs and Quotas
Crunch some numbers and gain a more comprehensive understanding of the concept of net gain after international trade, as well as how this affects domestic producers and consumers. Instructional content also includes a discussion of...
Crash Course
Derivatives
Physics and math are closely associated in the science community. High schoolers use information in the video to determine how derivatives and calculus help them understand our local environment. They complete problems that relate to...
Teacher's Pet
SI Units and Density
Scientists use SI units as a common language. Expose learners to the basic measures and prefixes with a video lesson. The instructor presents these concepts as well as introduces density calculations as a way to combine units.
Crash Course
The Evolutionary Epic: Crash Course Big History #5
In the timeline of history, Stegosaurus and Tyrannosaurus rex lived further apart from each other than Tyrannosaurus rex and humans. The fifth Crash Course-Big History video in a series of 16 introduces the concept of evolution. It...
Be Smart
What’s Really Warming the Earth?
More carbon dioxide exists in the atmosphere than ever in human history. An informative video introduces the topic of global warming as part of a larger playlist. It looks at possible causes such as Earth's orbit, Earth's moving axis,...
The School of Life
Art/Architecture - Henri Matisse
The paintings of Henri Matisse are the focus of an episode from The School of Life "Art/Architecture" playlist that discusses the life and works of the famous French painter.  The narrator points out how Matisse uses...
Crash Course
The Presocratics: Crash Course History of Science #2
How did early scientists arrive at the notion that everything was made of atoms? Meet the Presocratics during the second installment in an engaging History of Science series. Viewers discover how these pioneers developed a model for...
Crash Course
Darwin and Natural Selection: Crash Course History of Science #22
Charles Darwin studied many species, but he also hindered their continued study by eating his specimens. Like many sailors, he enjoyed the taste of the Galapagos tortoise so much for many years that no ship made it all the way back to...
Crash Course
The Industrial Revolution: Crash Course History of Science #21
The Industrial Revolution changed transportation systems, social systems, and economies. Episode 21 of Crash Course History of Science examines the Industrial Revolution. From the invention and improvements to the steam engine to the...
TED-Ed
There May Be Extraterrestrial Life in Our Solar System
Statistically speaking, it is more than possible that extraterrestrial life exists in our solar system. An engaging short video examines moons and planets that might support life, although not just life as we know it.
Be Smart
The Far Future of the Universe
Ever wonder what will happen to our earthly home if we continue to evolve at the current rate? Learners view the video segment and witness predictions of what could occur in the future, even millions of years from now, as time progresses...
Be Smart
Why Do We Cook?
Are you hungry right now? If you are, it might be because your brain is so large. The video describes the shift from larger jaw to larger brain and the relationship of larger brains to cooking. Crushing, preserving, and drying also made...
Be Smart
Where Do Birds Go In Winter?
The poet Homer believed that birds went to battle tribes of goat-riding dwarfs during the winter. As the video explains, this myth and many others that seem crazy to us now, wasn't questioned for many years. The reality isn't quite as...
Crash Course
Specialization and Trade
Do companies work better when everyone works on everything, or when each person or department focuses on one specialized task? Explore the benefits of specialization and trade in the modern global economy with a explanatory video.
Crash Course
Fiscal Policy and Stimulus
A country with high recessionary and inflationary gaps has several options to stimulate growth. A video focused on fiscal policy inspires young economists to explore the ways a government can influence, regulate, and stabilize (or...
Crash Course
Deficits and Debts
Should the escalating national debt be keeping you up at night with worry? Not necessarily, as explained by an entertaining video by Crash Course economics. Learn about the ways that a high GDP can contribute to the health of an economy...
The School of Life
Philosophy - René Descartes
Whether you say it in Latin (cogito ergo sum), French (je pense donc je suis), or in English (I think therefore I am), you are expressing the rationalism of French philosopher René Descartes. Learn more about Descartes's...
The Brain Scoop
The Tiger Beetle
Have you observed larvae hunting for prey? The tiger beetle larvae hunt in a way similar to the adults. These interesting insects star in the video produced by Brain Scoop; their unique habits and appearance enhance the Insect playlist.
Be Smart
Asteroid Mining: Our Ticket To Living Off Earth?
It turns out asteroids could be a gold mine—literally! An It's Ok To Be Smart video lesson describes the untapped resources orbiting our solar system. The presenter considers the possibilities of space colonies using these resources as...
Crash Course
Screenplays
The biggest blockbuster of the year, the funniest romantic comedy, and the most emotional independent film all started in the same way: on the page. Young filmmakers learn about the role of the screenplay, as well as important parts of...
Physics Girl
Everything You Should Know about Trappist-1 Exoplanets
Have we found the next Earth? Join the host of an interesting physics series as she learns what scientists know about the planets orbiting the star Trappist-1 during an engaging video. Astronomers discuss how they located the system,...
Physics Girl
Special Relativity and the Twin Paradox
Everyone knows that one twin is always older in a pair. But, could a twin be years older? A video from an extensive physics playlist explains Einstein's theory of special relativity. Topics include the speed of light, special versus...
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