CrashCourse

@TheCrashCourse

John & Hank Green and friends teach you all kinds of subjects - from World History to Astronomy, Literature to Psychology, and everything in between!

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Joined October 2011

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  1. So, how can we fix some of these water shortages?

  2. It's time for to discuss some very dark matters on Crash Course Astronomy:

  3. Water shortages are no joke!

  4. Today explains your body's unsung hero, the lymphatic system:

  5. Is globalization good or bad? It turns out, it's pretty good for average global incomes. Not always great for...

  6. We've reached the grand finale of our four part series on human reproduction: BABIES!

  7. Retweeted

    Imports and Exports and Exchange Rates, oh my! Economics

  8. Sometimes even has a hard time with Astronomy. Time for another Bad Astronomy break!

  9. What's my property?

  10. Sabrina talks to us about how we can organize properties!

  11. After weeks of discussion of human reproduction, today we arrive at the main event: THE SEX.

  12. Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own....

  13. Why is weather so hard to predict?

  14. All about air currents!

  15. Today explains how the male reproductive system tries to beat the odds with sheer force of numbers.

  16. Quasars, anyone? Join for Galaxies PART 2.

  17. This week Sabrina tries to say things. It goes... poorly?

  18. Time for another A&P breather in which struggles with words. And food.

  19. Let's fix some of those freshwater problems!

  20. If ever you somehow gain control of a national economy, there are some things you should avoid. ...

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