What does it mean to be alive?

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Understanding the concept of a “living thing” is a late developmental achievement. Early research by Jean Piaget, showed that kids attribute “life status” to things that move on their own (e.g. clouds or bikes) and even 10-year-olds have difficulty understanding the scope of a living thing.


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All News summaries for April 28, 2008

Grown-up P.E. class has adults reliving childhood

1 hour ago | User rating: not rated yet
(AP) -- When "spastic ball" starts, it's better to duck first and ask questions later. This is Old School P.E., a two-hour exercise program strictly for adults, built around grown-up versions of gym class ...

A hot (pepper) lead in hunt for salmonella source

1 hour ago | User rating: not rated yet
(AP) -- It was a hot lead for detectives on a cold case. People suddenly were getting salmonella at a Minnesota restaurant more than 1,000 miles from the center of the nation's outbreak.

ADHD increasingly common in older kids, CDC says

1 hour ago | User rating: not rated yet
(AP) -- More older children are being diagnosed with attention deficit hyperactivity disorder while the rate is holding steady for children under 12, according to a government report released Wednesday.

Gates, Bloomberg pool riches to fight smoking

2 hours ago | User rating: not rated yet
(AP) -- Microsoft founder Bill Gates and New York Mayor Michael Bloomberg are pooling their piles of money to pour $375 million into a global effort to cut smoking.

Scientists suspect omega-3 fatty acids could slow acute wound healing

2 hours ago | User rating: not rated yet
A recent study shows that popular fish oil supplements have an effect on the healing process of small, acute wounds in human skin. But whether that effect is detrimental, as researchers initially suspected, remains a mystery.
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