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6 Animals That Eat Their Mates
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Rainbow flag. Sign of diversity, inclusiveness, hope, yearning. Gay pride flag popularized by San Francisco artist Gilbert Baker in 1978. Inspired by Judy Garland singing Over the Rainbow. gay rights, homosexual, gays, LGBT community
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Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944
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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained

defoamer

chemistry

Learn about this topic in these articles:

use on surface coatings

  • NASA's innovations in preventing bug-strike impacts on planes
    In surface coating: Defoamers

    One problem with specialty additives is that they often have a surfactant nature and consequently stabilize foam in the liquid coating. Portions of the coating polymer also have a surfactant nature, and they, too, contribute to foam stability. Foam often causes problems during manufacture…

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