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Eager to understand important biological concepts and frameworks? Enhance your understanding of evolution with this lesson on natural selection!

from BuzzFeed

51 Historical Facts That Sound Like Huge Lies But Are Actually True

51 Historical Facts That Are Totally Messed Up | 8. After Pope Gregory IX associated cats with devil worship, cats throughout Europe were exterminated in droves. 9. This sudden lack of cats lead to the spread of disease because infected rats ran free. The most devastating of these diseases, The Bubonic Plague, killed 100 million people.

Why the Wingdings font exists - Vox

The Burgess Shale, Yoho National Park, British Columbia ~ the world’s most significant fossil discovery, exquisitely preserved and dating back to the Cambrian period.

PBS has a great site with info about Lewis and Clark

from Smithsonian

During Prohibition, Your Doctor Could Write You a Prescription for Booze

During Prohibition, Your Doctor Could Write You a Prescription for Booze | History | Smithsonian

In this lesson, explore the origin and purpose of the United States Census, and gain a clear understanding of its far-reaching impact on the country as a whole.

In this lesson, learn the basics of crowdfunding, including how to leverage your audience and how to choose the best online platform for your campaign.

How does your eye work? In this astronomy lesson learn about the physiology of your eye, and how this impacts your ability to see the stars when stargazing.

Want to pass your exams with flying colors? In this memory training lesson, learn how to mind map and use image correlation to remember more and study less!