Physics professor Chad Orzel gives a TED talk in New York. In science, he says, public speaking is an important part of making a reputation. Ryan Lash/Flickr hide caption

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This portrait of Sarah Josepha Hale, painted by James Reid Lambdin, hangs in Newport, N.H., where she was born. Jim Cole/AP hide caption

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Insurance help isn't easy to find in many Iowa counties. iStockphoto hide caption

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A vote to ban fracking in Broomfield, a suburb of Denver, headed to a recount this month after the measure failed by just 13 votes. Broomfield was one of four Front Range towns considering limits or bans on the drilling procedure some fear may not be safe. Kristen Wyatt/AP hide caption

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Christina Asima says she had no choice but to marry last year at age 12 to help care for younger siblings after her mother abandoned the family. But she says her husband was abusive, so she left him, and now must look after her 8-month-old son, Praise, alone. Jennifer Ludden/NPR hide caption

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Las Vegas, long known for its gambling-fueled revenue model, took a big hit in the financial crisis. The city is now trying to remake itself as more than a one-economy town. Darrin Bush/AP/Las Vegas News Bureau hide caption

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BYD's North American headquarters is located in Los Angeles. Next year, the Chinese-based auto manufacturer will roll out electric buses in LA and Long Beach. Daniel Hajek/NPR hide caption

itoggle caption Daniel Hajek/NPR

CBS News anchor Walter Cronkite reports that President John F. Kennedy was assassinated in Dallas on Nov. 22, 1963. CBS via Landov hide caption

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The Boston Symphony Orchestra was mid-performance when the news of President Kennedy's assassination broke. AP hide caption

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The recent cuts in federal food benefits may be felt most in rural areas and the grocery stores that serve them. USDA hide caption

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Formerly known as the Alexandria Slave Pen, this ashen gray row house in Alexandria, Va., once housed one of the country's largest slave-dealing firms. Hansi Lo Wang/NPR hide caption

itoggle caption Hansi Lo Wang/NPR

A lineman grounds a line on a replacement pole in McNeill, Miss., after 2012 Christmas day storms downed both telephone and electric power lines and poles throughout the state. Upkeep on traditional landlines is expensive, and some are pushing for relaxing requirements that phone companies maintain these lines. Rogelio V. Solis/AP hide caption

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Internet Corporation for Assigned Names and Numbers, ICANN, president and chief executive Rod Beckstrom, speaks on expanding the number of domain name suffixes during a press conference in London in 2012. Tim Hales/AP hide caption

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Sophie Nelisse says years of training as a gymnast taught her to focus in ways that helped her acting on the set of The Book Thief. Jules Heath/Twentieth Century Fox hide caption

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Trout fishing is big business in Montana, bringing in tens of millions of dollars annually. Tom Murphy/Getty Images/National Geographic hide caption

itoggle caption Tom Murphy/Getty Images/National Geographic