Archive: 17/12/2010

Strategies to prevent tobacco use among teens

According to the Center for Disease Control, 21.4 percent of people aged 18 to 24 years smoke tobacco. Today everyone knows smoking is an unhealthy habit, so why do people still smoke? Penn State experts say several factors ...

dateDec 17, 2010 in Health
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Earth's final growth spurt

What led to water on the interior of the Moon or the formation of the Borealis basin that covers 40 percent of the surface of Mars? And what caused at least some of Earth’s tilt — without which there would be no ...

dateDec 17, 2010 in Space Exploration
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