Knocking the NOx Out of Coal
Nitrogen is the most common part of the air we breathe. In fact, about 80% of the air is nitrogen. Normally, nitrogen atoms float around joined to each other like chemical couples. But when air is heated in a coal boiler's flame, for example these nitrogen…
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Several types of data can be collected to assist hydrologists predict when and where floods might occur. The…
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What Is Acetone?
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Hats Off to the Sombrero
This nearly edge-on view of the Sombrero galaxy shows that the disks of spiral galaxies are incredibly thin.…
Biology
Why Are Yawns Contagious?
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