Delegates attend the last day of the U.N. climate talks in Doha, Qatar, on Friday. U.N. climate negotiators locked horns on the final day of talks in Doha to halt the march of global warming, deeply divided on extending the greenhouse gas-curbing Kyoto Protocol and funding for poor countries.
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High school sophomore Jessica Miller watches her chemistry teacher's lectures on an iPad. Class time is used for working through problems and quizzes, rather than lecturing.
Edith Windsor, 83, is asking the Supreme Court to strike down the federal Defense of Marriage Act. When Windsor's female spouse died, the federal government, acting under DOMA, required Windsor to pay estate taxes that she would not have owed if her spouse had been a man.