LinkedIn founder Reid Hoffman watches as his company is listed on the New York Stock Exchange in May. Despite the global economic uncertainty, tech companies held steady on Wall Street. Mark Lennihan/AP hide caption
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Analysis
Thursday
Friday
Indian firefighters attempt to put out a fire as smoke billows out of the historic Taj Mahal Hotel in Mumbai, which was stormed by armed gunmen in November 2008. Indranil Mukherjee/AFP/Getty Images hide caption
Tuesday
Wednesday
The ideas of John Maynard Keynes, seen here around 1940, had great influence over the economic policies that followed the Great Depression and World War II. Walter Stoneman/Getty Images hide caption
Tuesday
Thursday
Shanghai, China (left), has become an ultra-modern city of 23 million people. But at $6, tickets for its magnetic levitation train are deemed too expensive. And in South Sudan, people who live in the town of Akobo rely on a river and planes to travel — the main road is washed out for part of the year.
Frank Langfitt/NPR hide caption
Animal Kings: Ants, like these workers carrying eggs to a plant's leaf after rain flooded their nest, have a combined biomass estimated in the billions of tons. Gurinder Osan/AP hide caption
Monday
Watch as global population explodes from 300 million to 7 billion.
Adam Cole, Maggie Starbard/NPR hide captionSunday
Tents pitched at the Occupy Wall Street encampment at Zuccotti Park in New York. The protests are part of a growing distrust in America of government and public institutions.
Mary Altaffer/AP hide captionThursday
The Occupy Wall Street protests have inspired similar events around America, and in dozens of countries. Here, a truck has been painted with a sign supporting the Occupy Portland protests in Oregon.
Don Ryan/AP hide captionTuesday
Dan Wheldon, of England, smiles during driver introductions for the IndyCar Series Las Vegas Indy 300 auto race Sunday, Oct. 16, 2011, in Las Vegas. Wheldon, a two-time Indianapolis 500 winner, died following a crash in the race.
Isaac Brekken/AP hide captionThursday
If the Nobel Peace Prize is to go to someone involved with the Arab Spring, it may be difficult to choose who gets the award. Here, men celebrate in Tunis after President Zine El Abidine Ben Ali said he would not seek another term.
Fethi Belaid/AFP/Getty Images hide caption