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While there's no righty or lefty gene, DNA does seem to play a role in handedness. In a recent study published in Brain: A Journal of Neurology, researchers at the University of Oxford looked at the DNA of about 400,000 people in the U.K. and found that four regions of the genome are generally associated with left-handedness. Three out of these four regions were involved in brain development and structure. Some researchers hope that studying the biological differences between lefties and righties could shed light on how the brain develops specializations in its right and left hemispheres... Righties have dominated...

WASHINGTON — While this year's presidential campaign has been marked by historic firsts, the nominations of senators McCain and Obama will renew one surprising trend: For the fifth time in the last 35 years, America will have a lefty in the White House. Both major party candidates are southpaws, contributing to a largely unexplained phenomenon that has vexed researchers and historians — and drawn notice from a federal judge destined for the Supreme Court. Though left-handers comprise just 10% of the population, they are dominating presidential politics. Their recent success transcends ideology. Since 1974, presidents Ford, Reagan, George H.W. Bush,...

Time to play: Dress Up Janeane Garofalo! Suggest a t-shirt for Janeane to wear out on the town tonight! (That's right, these are only my suggestions! I'm looking for yours!)