One of the most important medical advances may also be the simplest: hand-washing. It's the best defense against spreading disease. And its power was discovered long before anyone knew about germs.
A woman in Port-au-Prince, Haiti, hangs her laundry to dry in front of her home. Her family made the shelter out of tin and tarps on land where their home stood before a massive earthquake devastated the nation in 2010. An estimated 80,000 Haitians displaced by the quake remain in tents.
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The city of Des Moines, Iowa, sits on the Raccoon and Des Moines rivers. The city's water works says it will sue three neighboring counties for high nitrate levels in these waterways.
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Tina Fey, Margaret Cho and Amy Poehler talk onstage during the 72nd Annual Golden Globe Awards. Fey and Poehler hosted the awards for the third (and, they say, final) time.
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The U.S. Supreme Court hears arguments Monday in a case that looks at how municipal governments may regulate where and when signs are posted.
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