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The FIFTH MIRACLE: The Search for the Origin and Meaning of Life ... Read More

Although Earth was created around 4.5 billion years ago, life began to exist not long after. Due to the huge timescales... Read More

Dead Man Walking: Wade Davis and the Secret of the Zombie Poison By Patrick D. Hahn Accepted on September 4, 2007 Twenty... Read More

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Epoch 1. A fixed point of time, established in history by the occurrence of some grand or remarkable event; a point of time... Read More

Chemotroph Definition A chemotroph refers to an organism that obtains energy mainly from carbon dioxide and from... Read More

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