http://www.helium.com/knowledge/11422-uncovering-magnetism-from-earths-core-to-your-physiology.xml Helium.com > Physics > Uncovering magnetism, from the Earth's core to your physiology and personality en-us Copyright Helium.com Sat, 06 Sep 2008 09:53:28 GMT Sat, 06 Sep 2008 09:53:28 GMT