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

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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 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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Alternative Names: Guy Harrison
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Additional quotes by Guy P. Harrison

We must use our brains to overcome our brains. You are the solution to this crazy world we find ourselves in. Do everything you can to reach others. Teach. Elevate. Encourage critical thinking. But do it with kindness and understanding. People who believe crazy things are only guilty of being human. Remember this and show compassion.

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Mozart's music on a smartphone can't redeem or compensate for our lust for the ludicrous. Suckers for empty promises, false hopes, and pseudoscientific babble, we are our own worst enemies. Few people take the time to learn how brains process sensory input in misleading ways and how subconscious biases influence conscious thinking. The result is a global population teeming with easy targets for digitized nonsense and deception.

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