Still,she says, there is no reason to suggest that the finding about teenage physical activity should not apply to men as well.

VOA: special.2010.07.07

is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

VOA: special.2010.06.06

Mayor Rudolph Giuliani of New York can take pride in the news that, among users who said they had failed to get drugs at least once, Manhattanites were far more likely than those in other cities to report police activity as the reason.

ECONOMIST: Drug abuse

Napolitano responded that Tsarnaev's departure did "ping" in the homeland security screening system, but she noted that because the FBI's investigation in 2011 found no suspicious activity, there was no reason to follow up.

CNN: Bombing suspect not on terror watch list

The reason for all this activity is widely believed to be that because sex produces genetic diversity, it protects a species against environmental fluctuations and, in particular, against parasites.

ECONOMIST: The longest ��headache�� ever