Lingo Cards
Phosphorus = the chemical element of atomic number 15, a poisonous, combustible nonmetal which exists in two common allotropic forms, white phosphorus, a yellowish waxy solid which ignites spontaneously in air and glows in the dark, and red phosphorus, a less reactive form used in making matches – Wikipedia
Elsewhere on the Web
Lightning strikes as a major facilitator of prebiotic phosphorus reduction on early Earth – Nature
http://sciencelearn.org.nz/Contexts/Soil-Farming-and-Science/Science-Ideas-and-Concepts/The-phosphorus-cycle
Our ancestors recycled their urine: why shouldn’t we?
peak_phosphorus_our_most_important_nutrient_running_out.html
http://www.iisd.org/publications/pub.aspx?pno=1225
http://www.foreignpolicy.com/articles/2010/04/20/peak_phosphorus
http://energybulletin.net/node/33164
http://www.abc.net.au/science/articles/2010/08/05/2973513.htm
chinas-economic-explosion-is-ravaging-its-coastal-ecosystems
Photos
Embedded Tweets
Wikipedia
Phosphorus
Planeta.com