Are tennis players antisocial by nature?

Tyler Scaletta knows competitive tennis from the perspective of a player as well as a coach. Now, the Northwestern University senior also is learning how to understand tennis from a researcher's point of view.

South Africa to research mood-lifting plant

(AP) -- For hundreds of years, indigenous South Africans have chewed a plant they say reduces stress, relieves hunger, sedates and elevates moods. Now they have a license to study and market it, and plan to sell it over-the-counter ...

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