nitrogen oxides

11.09.09
The Score

Exhaust from Ice Resurfacing Machines Putting Skaters at Risk

Still want to drive that Zamboni?
By Brett Zarda Posted 05.13.2009 at 11:08 am 0 Comments

An investigative report, dramatically titled “Danger in the Air,” by the ESPN news program E:60 suggests that exhaust from ice resurfacing machines is putting skaters around the country at serious risk. The report faults improper ventilation or unmaintained resurfacing machines, which often run on propane or natural gas, for the hazards to skaters.

Read more, and check out the video, after the jump!

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A Truck That Drinks Less Than a Car?

We prove that pickups and SUVs don't have to guzzle gas.
Posted 07.29.2002 at 5:43 pm 0 Comments

The Hypothesis When it comes to gas mileage, it's not only what you drive but how you drive.



The Challenge Over 195 miles of interstate, get better gas mileage from a full-size truck than a midsize car. Use any means necessary to improve the truck's mileage, but leave the car untweaked. (We added 600 pounds to each to simulate three passengers and their stuff.)

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November 2009: Astronaut 3.0

Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.

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