A young planet sits in wobbly orbit, still a bit amorphous and unsure of its final shape. A gurgling, bubbling primordial soup simmers on the surface, stewing and brewing for millions upon millions of years as massive temperature fluctuations, atmospheric pressure shifts, and extended bouts of thunderous lightning mar the landscape. Radiation is a constant, steady force. Deep within the soup, a spark! The beginnings of life, the organic, single-celled compounds that will grow and reproduce and mutate into a hundred million fantastical forms, emerge. All the while, similar – yet totally different – conditions are occurring on other planets concurrently, but no spark is seemingly produced. Why is that?

Consider, for a moment, the plight of the modern feedlot cow, a species that evolution has “constructed” to subsist most effectively on open grassland with plenty of access to sun and the freedom to roam. Instead, we stuff it full of […]

Original post by Mark Sisson

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