Elephant's foot (Beaucarnea recurvata) botanikfoto Picture Library Plant and garden photography How to Grow Cucumbers in Pots and Containers 420 and Marijuana History: How April 20 Became 'Weed Day' Russian scientists have successfully brought back to life a flowering plant that had been extinct for 32,000 years, using seeds preserved by an Ice Age squirrel in Siberian permafrost. The narrow leafed campion, MAP: Where new natural gas power plants are being built in the U.S.