Our planet is currently going through a global warming phenomenon, and even though it was supposed to happen because of nature's cycles or it was mainly caused by humans, one thing is certain: many animals and plants will die, because of the increasing heat.Dr. Gretchen North and colleagues from the Department o... |
25 November 2010
08:24 GMT |
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Researchers managed recently to discover the origins of a special type of domesticated cactus. They tracked the original plant to the Tehuacan Valley, in Mexico.Ever since humans first managed to domesticate plants, other species of vegetation have been threatened, or brought to the brink of extinction, because of it... |
24 August 2010
03:36 GMT |
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The ability that cacti have, of growing directly through even the most hardened rocks on the desert floor, has amazed people since the earliest days. Their ability to drill into some of the hardest types of soil has left many speechless, and researchers have been hungry to learn how. By focusing their efforts on seve... |
20 August 2009
14:41 GMT |
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1.There are over 2,000 species of cacti, with various shapes and forms. Caldera cacti in southwestern US can overcome 20 m (66 ft) on height, while Rebutia cacti from Bolivia and Argentina are just several centimeters tall. Some cacti look like chandeliers or columns, others are flattened or oval, looking like ears (... |
8 February 2008
02:16 GMT |
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