|Tuesday, Jan 31, 2012 - 11:00 PM
"Life's Little Questions II"
Why can't you tickle yourself? If tickling isn't social, why are we ticklish in the first place? What is laughter and why do we laugh? Why can't scientists cure the common cold? Why does wet sand rise in a halo around your feet when you walk on the shore? Why do Brazil nuts always rise to the top of a can of mixed nuts? Why do coffee spills leave rings when they dry? G
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