Archive: 23/11/2009

Do kids benefit from homework?

(PhysOrg.com) -- Homework is as old as school itself. Yet the practice is controversial as people debate the benefits or consider the shortcomings and hassles. Research into the topic is often contradictory and certain districts ...

dateNov 23, 2009 in Social Sciences
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Gene therapy improves vision

German scientist Paul Ehrlich found what he coined the "magic bullet" in the early 20th century upon developing the world’s first effective treatment of syphilis.

dateNov 23, 2009 in Medical research
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A mechanical model of vocalization

When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...

dateNov 23, 2009 in General Physics
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