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Numbers in the News

ARVIND YADAV/HINDUSTAN TIMES VIA GETTY IMAGES

Air pollution (See "300 million" below)

300 million

Number of children worldwide currently exposed to toxic levels of air pollution, according to a new report from Unicef.

50,000

Number of oysters now living on an artificial bed in Jamaica Bay in New York City. The bed was created out of broken porcelain from 5,000 recycled toilets that were being discarded from public schools. 

6,200

Age in years of the oldest known fabric dyed with indigo—the same bluish-purple coloring used in today’s blue jeans.

3,100

Distance in miles run by ultramarathoner Pete Kostelnick from San Francisco to New York City. He made the cross-country trek in a record 42 days, 8 hours, and 34 minutes.

162

Rate at which three-toed sloths burn energy, measured in kilojoules per day per kilogram of body weight. That makes them the slowest energy users of all mammals.

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