Upending Assumptions About Life On Earth

• Physics Colloquium
• Sol Gruner…Cornell
• Upending Assumptions About Life On Earth
• Claim: we are in a paradimg shift about where life is and how it evolved
• Current Paradigm: "recipe for Life" Urey experiment "primodial soup"
• Biosphere: was assumed to be the earths surface. Deep earth curst assummed to be sterile
• 1977 Discovery of Black Smokers: Life with No solar dependence!
• PCR assumes life DNA ? <font color="red"> YES! … "Grand Challenge Question" </font>
• kW/m² comes from above 1/10 W / m² comes from below
• Hydrogen from radio-association of water
• subsufrace life dominated life on earth for most of its histories
• Moon looks just like earth. no other system with moon as big as the earths
• OUTSTANDING TALK !!!
• Any good reading on this topic ? yes.. "Deep Life" / "Life as No One Knows It"

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