Separated at Birth?

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The headline on Science Daily reads "One-third Of Spam Is 'Health'-related," but the real news comes from the highly readable PLoS Medicine source article, "Will Spam Overwhelm Our Defenses? Evaluating Offerings for Drugs and Natural Health Products." Peter Gernburd and Alejandro R. Jadad analyzed…
Take a look at this video (QuickTime required). The screen will turn white for 1/2 second. Then a word will appear for about 1.5 seconds. Pay attention to the particular shade of gray the word is printed in. Next, a strip of five different grey squares will appear. Which square matches the color of…
Tild~ has a nice retort and badge for the Republicans. Now every time they pull that "Democrat party" stunt, we just reply back with a reference to the Republican't party.
Maybe you've seen this before: it's a diagram of the sensory and motor cortex of the brain, with a little man or homunculus drawn over it to illustrate the somatic areas associated with each region. You see where the little man's knee is on the left image of the sensory cortex? Stick an electrode…

Who are the other two (I recognize Watson in the middle)?