http://chemistry.about.com/ Get the latest headlines from the About.com http://clk.about.com/?zi=1/1hh http://www.about.com/ 118 20 en-us 2012-02-22T13:23:22Z Wed, 22 Feb 2012 13:23:22 +0000 hourly 1 2000-01-01T12:00+00:00 http://chemistry.about.com/b/2012/02/22/this-day-in-science-history-february-23-carl-gauss.htm February 23^rd marks the passing of Carl Friedrich Gauss. Gauss was a German physicist and mathematician known for many discoveries and applications. He made numerous contributions to electricity and magnetism, ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/22/this-day-in-science-history-february-23-carl-gauss.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/22/this-day-in-science-history-february-23-carl-gauss.htm Wed, 22 Feb 2012 22:05:54 +0000 2012-02-22T22:05:54Z http://chemistry.about.com/b/2012/02/22/how-popcorn-pops.htm <img src="http://z.about.com/d/chemistry/1/G/i/6/1/popcorn.jpg" width="160" height="119" alt="Popcorn has special properties that allow it to pop. (Cloviz)" border="0" align="right" hspace="5">You probably know part of the secret to why popcorn pops is that each kernel contains some water, but that isn't the whole story since other seeds contain water yet ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/22/how-popcorn-pops.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/22/how-popcorn-pops.htm Wed, 22 Feb 2012 13:23:22 +0000 2012-02-22T13:23:22Z http://chemistry.about.com/b/2012/02/22/mercury-beating-heart.htm <img src="http://0.tqn.com/d/chemistry/1/G/j/Q/mercury.jpg" width="160" height="127" alt="Mercury (Femto/Elementbox04)" hspace="5" border="0" align="right">The Mercury Beating Heart is a popular chemistry demonstration/experiment in which a blob of mercury is made to pulsate, resembling a beating heart. The mercury beating heart requires only a ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/22/mercury-beating-heart.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/22/mercury-beating-heart.htm Wed, 22 Feb 2012 08:56:41 +0000 2012-02-22T08:56:41Z http://chemistry.about.com/b/2012/02/22/solubility-rules-for-common-compounds.htm <img src="http://0.tqn.com/d/chemistry/1/G/x/c/transitionmetalsolns.jpg" width="160" height="58" hspace="5" border="0" align="right" alt="Learn the solubility rules for common compounds. (Ben Mills)">The solubility rules for common compounds are useful for preparing solutions and planning separations based on solubility. While several factors affect solubility, you can use the general solubility rules for ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/22/solubility-rules-for-common-compounds.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/22/solubility-rules-for-common-compounds.htm Wed, 22 Feb 2012 07:56:20 +0000 2012-02-22T07:56:20Z http://chemistry.about.com/b/2012/02/21/this-day-in-science-history-february-22-johannes-bronsted.htm February 22^nd was a Danish chemist who developed a theory to explain acids and bases at the same time as English chemist Thomas Lowry. The Br&#248;nsted-Lowry theory defines acids as ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/21/this-day-in-science-history-february-22-johannes-bronsted.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/21/this-day-in-science-history-february-22-johannes-bronsted.htm Tue, 21 Feb 2012 22:05:32 +0000 2012-02-21T22:05:32Z http://chemistry.about.com/b/2012/02/21/preserving-crystals.htm <img src="http://0.tqn.com/d/chemistry/1/6/t/p/chromiumalum.jpg" width="120" height="109" hspace="5" border="0" align="right" alt="Preserve your crystals to keep them beautiful. (http://0.tqn.com/d/chemistry/1/6/t/p/chromiumalum.jpg)">One of the most common questions I get asked about growing crystals is how to keep them after you have grown them. You may want to display your crystal or ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/21/preserving-crystals.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/21/preserving-crystals.htm Tue, 21 Feb 2012 12:36:38 +0000 2012-02-21T12:36:38Z http://chemistry.about.com/b/2012/02/21/haircolor-changes-after-you-die.htm <img src="http://z.about.com/d/chemistry/1/0/R/9/1/Peruvian_mummy.jpg" width="180" height="271" alt="Mummy (Emmanuelm)" hspace="5" border="0" align="right">If you've ever seen a mummy in a museum, you might have thought the ancients went a little overboard with henna and other red dyes. While people have colored their ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/21/haircolor-changes-after-you-die.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/21/haircolor-changes-after-you-die.htm Tue, 21 Feb 2012 08:08:22 +0000 2012-02-21T08:08:22Z http://chemistry.about.com/b/2012/02/20/this-day-in-science-history-february-21-carl-dam-and-vitamin-k.htm February 21^st is Carl Henrik Dam's birthday. Dam was a Danish biochemist who discovered vitamin K. He was feeding chickens a cholesterol-free diet to find out if they needed cholesterol ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/20/this-day-in-science-history-february-21-carl-dam-and-vitamin-k.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/20/this-day-in-science-history-february-21-carl-dam-and-vitamin-k.htm Mon, 20 Feb 2012 22:05:42 +0000 2012-02-20T22:05:42Z http://chemistry.about.com/b/2012/02/20/how-to-make-a-saturated-solution.htm <img src="http://0.tqn.com/d/chemistry/1/G/t/U/1/crystals-in-saturated-solution.jpg" width="160" height="213" hspace="5" border="0" align="right">A saturated solution is one where the solute is as concentrated as it can get in the solution without precipitating. You may need to make a saturated solution for a ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/20/how-to-make-a-saturated-solution.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/20/how-to-make-a-saturated-solution.htm Mon, 20 Feb 2012 14:23:33 +0000 2012-02-20T14:23:33Z http://chemistry.about.com/b/2012/02/20/make-a-clementine-candle-easy-fire-project.htm <img src="http://0.tqn.com/d/chemistry/1/5/I/f/1/clementine-candle.jpg" width="200" height="155" hspace="5" align="right" border="0" alt="Make a candle using a clementine and olive oil. (Anne Helmestine)">Did you know you can make a candle using a citrus fruit and olive oil, no wax or wick required? If you think about how a candle works, the wick ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2012/02/20/make-a-clementine-candle-easy-fire-project.htm">Read Full Post</a></p> http://chemistry.about.com/b/2012/02/20/make-a-clementine-candle-easy-fire-project.htm Mon, 20 Feb 2012 09:09:54 +0000 2012-02-20T09:09:54Z