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"Daniel Radcliffe, who played Harry Potter, turns 23 today. While he may be a Hollywood leading man and a top-earning superstar, we found that Radcliffe has a bit of an adorable side where his geekdom shines bright. We dug up a video from BBC Worldwide in which he sings The Elements by musical humorist Tom Lehrer.\nHere are some other fun nerd facts about Radcliffe: \n\nHe's a Bookworm \u2014 Radcliffe delayed the filming of the second and third Harry Potter movies to stay in school and focus on his education.\nPotter the Poet \u2014 The Guardian reported that Radcliffe has published poetry under the pen name \"Jacob Gershon,\" a combination of his mother's maiden name and his middle name.\nLittle Jokester \u2014 Radcliffe is a huge fan of pranks. When he was 10, he took costar Robbie Coltrane's cell phone and changed it so all the messages were in Turkish.\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/07/23/daniel-radcliffe-science-song/>