What Does the SAT Measure?

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"There is actually substantial evidence that instead of broad aptitudes, the SATs only measure a specific set of non-quantitative, cultural values and ideas." 


So SATs don't measure your true aptitude for college but unfortunately you will probably still have to take them. 

Watch How This Tentacled Caterpillar Reacts to Sound

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This Peruvian caterpillar reacts to loud noises with the tentacles on its back. 

See the World at the Microscopic Level

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This is a compilation of videos and digital-time lapse footage from Nikon's photomicrography contest edited together by The Atlantic. 

The full list of winners can be found here: http://www.nikonsmallworld.com/news/a...

Watch This Woman Control Another Person's Arm With Her Brain

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Greg Gage is on a mission to make brain science accessible to all. In this fun, kind of creepy demo, the neuroscientist and TED Senior Fellow uses a simple, inexpensive DIY kit to take away the free will of an audience member.