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Posts tagged rust

March 28, 2012


child underwater holding breath

How Much Breathable Oxygen Gas Is There In The Atmosphere?

I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?

February 12, 2010



Why Stainless Steel Does Not Rust But Other Metals Do

Have you ever wondered why stainless steel does not rust?

April 29, 2004


Why Barns Are Red

Why are barns red? Find out on this Moment of Science.

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