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It's the 21st century and still we have no universally agreed upon definition of life. It seems the universe does not care about our desire for tidy … - Guy P. Harrison
" "It's the 21st century and still we have no universally agreed upon definition of life. It seems the universe does not care about our desire for tidy categories and tight descriptions. Our intellectual comfort is irrelevant to reality. When it comes to life, gray zones and blurry boundaries abound. This is bizarre considering life has been on our planet for more than 3.5 billion years and it's all around us now. Life saturates Earth's surface zone, from more than a mile deep in the crust to the stratosphere miles above. Its diversity and overall success are staggering, difficult to comprehend. For example, some scientists estimate that there are more than one trillion species alive right now. In total, Earth may have hosted more than 100 trillion species so far. Life is no stranger to us. And yet, what is it?
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About Guy P. Harrison
Guy P. Harrison (born October 8, 1963) is an American author of multiple bestselling books. He resides in the United States and is known for his written works on science, critical thinking, anthropology, history, race, and nature.
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Guy Harrison
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Additional quotes by Guy P. Harrison
In 1972, from a distance of about 18,000 miles away, an Apollo 17 astronaut took a photo of the Earth that later would be named "The Blue Marble." That single unprecedented image of an illuminated Earth in full jolted billions into contemplating the beauty and fragility of our tiny home in the dark expanse.
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