In much of America, the availability of online video is often frustrated by slow broadband speeds. In this 2011 photo, Valerie Houde waits for a dial-up Internet connection in East Burke, Vt.
Tanzania has been identified as the leading exporter of illegal ivory in recent years. An estimated 10,000 elephants are being slaughtered in the country annually. Here, elephants walk in the Serengeti National Reserve in northern Tanzania in 2010.
Tony Karumba/AFP/Getty Images
On Thursday, July 29, 1880, Doyle wrote, "Came across a most extraordinary natural snow house, about 12 feet high, shaped like a beehive with a door and a fine room inside in which I sat. Traveled a considerable distance, and would have gone to the Pole, but my matches ran short and I couldn't get a smoke."
Courtesy of University of Chicago Press