miércoles, 22 de diciembre de 2010

The learning network

December 22, 2010, 5:07 AM

Are You Caffeinated?


A new study shows that many children consume a considerable amount of caffeine each day. Do you drink caffeinated beverages on a regular basis? If so, in what forms? How do you think it affects you?
As Nicholas Bakalar reports,
A small study at an urban pediatric clinic suggests that children younger than 12 are routinely consuming so much caffeine that it could interfere with their sleep. The source, almost exclusively, is caffeinated soft drinks, like Coca-Cola.
About 75 percent of 228 children in the study (published online on Thursday in The Journal of Pediatrics) consumed caffeine. Children 5 to 7 swallowed an average of 52 milligrams a day, and those 8 to 12 averaged 109 milligrams — about the same amount as a cup of drip coffee.
Students: Tell us about your caffeine consumption. Do you regularly drink caffeinated coffee, tea or soda? If so, how much and how often? How does it seem to affect you? Do you think it might interfere with your sleep? Do you consider caffeine generally safe to consume?
December 22, 2010, 4:56 AM

A Portrait by the Artist as a Young Man


WHAT
 “shocking” declaration did the Metropolitan Museum of Art make regarding a painting of Philip IV that had hung there for 60 years? WHAT is the Met saying about the portrait now?
WHO
 was Velázquez?
WHEN, according to the receipt, was the portrait painted and paid for? Before the Met’s restoration, WHEN was it last restored?
WHERE else do Velázquez’s portraits of Philip IV hang?
WHY was restoring and conserving the painting a daunting task?
Looking at the paintings described in the article, HOW do you think they compare?

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