Crash Course
The Roman Empire. Or Republic. Or... Which Was It?
Who and what exactly constituted the Roman republic? Mr. Green begins this history presentation by detailing Julius Caesar's rise to power and his impact on the republic. He reviews government structure and leadership roles, achievements...
Crash Course
Alexander the Great and the Situation... the Great?
What made Alexander the Great so great? John Green reviews three possible definitions of the term great that we ascribe to historical figures, while offering a fairly comprehensive overview of the accomplishments and legacy of Alexander...
Biography
Barack Obama- Mini Biography
Barack Obama, the 44th President of the United States, is the subject of this short mini-biography that introduces viewers to his early life, education, and election.
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...
Crash Course
Judicial Decisions: Crash Course Government and Politics #22
A Supreme Court justice does not have supreme authority over the law. Scholars investigate how the justices on the Supreme Court balance their views and opinions as they relate to the United States government and politics. They view a...
Be Smart
The Deadliest Flu Season in History?
Is it possible for another flu outbreak like the Spanish Flu in 1918? A video lesson explains the factors that affect the spread of a virus and its effect on a population. The narrator describes the structure of the different virus...
Be Smart
Which Life Form Really Dominates Earth?
Humans only make up 0.01 percent of all life forms on Earth. We sure know how to make an impact though! An episode of the It's Okay to be Smart series examines the proportion of different species that inhabit Earth. The...
American Chemical Society
Do Astronauts Need Sunscreen?
Why don't astronauts all come home with sunburns? It turns out that there are many different sources of radiation exposure for astronauts. A video outlines the radioactive dangers and protective measures astronauts must take.
American Chemical Society
How Is Leather Made?
Leather tanning is a chemical production! Scholars watch as a video outlines the chemistry behind processing leather. The instructor describes the chemical makeup of the leather itself and the structure of the chemicals that preserve the...
American Chemical Society
Why Are Birds Different Colors?
Above all else, a bird's color is what sets it apart from other birds. Learn what creates their unique plumage in an installment of a video series. The video presents the physical and chemical reasons for the variation in colors as well...
American Chemical Society
Women in Chemistry: Heroes of the Periodic Table
Although Dimitri Mendeleev developed the periodic table in 1871, there have been many changes and discoveries since. A video lesson presents the contributions of two prominent women chemists: Maire Curie and Ida Tacke. The narrator...
Be Smart
There Was No First Human
Darwin was the first to describe a Tree of Life in 1859; since then, the idea has grown both literally and metaphorically. The video explains ancestry and its origins. How many generations back was the first human? How many generations...
Crash Course
Money and Finance
Chances are, the teenagers in your economics class have some experience with money. Help them understand that money is more than the dollars and coins they feed into the school vending machines with a video from Crash Course economics....
American Chemical Society
How Does Anesthesia Work?
Don't worry, this resource won't put you to sleep! Individuals learn about the advent of anesthesia and how it works. The video in the ACS Reactions series also explains the mystery still surrounding consciousness and inner workings of...
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