That feel-good, floaty feeling runners get comes from the same molecules found in marijuana, research finds.
As shootings become more common, the public's reaction dims, researchers say.
A recently unearthed extinct human species had hands and feet adapted for a life both on the ground and in the trees.
People are willing to put daily pleasure ahead of the threat of long-term disaster when selecting where to live, research finds.
Being tall is linked to a higher risk of cancer, especially for women.
Who you find attractive has surprisingly little to do with genetics or your upbringing.
It's not always about the mom -- grandmothers also play a role in a child's respiratory fitness.
It's not quite a case of, 'You are what you eat,' so having a pita chip won't suddenly make you more likely to favor a minimum wage.
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