Linguists find that tongue clicks play a larger role in English than previously thought
10 brain twisters compete to be the best illusion of 2011
Test your local water and share the results globally
Author Susan Cain explains the fallacy of "groupwork," and points to research showing that it can reduce creativity and productivity
Football players diagnosed with Lou Gehrig's disease may suffer from the effect of repeated blows to the head, controversial new research says
Watch the frightening mechanics of a concussive blow to the head
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