linkedin post 2017-12-30 04:02:32

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GARGANTUAN SMALLNESS. “In a cell or microorganism, the processes that generate mass, energy, information transfer and cell-fate specification are seamlessly integrated through a complex network of cellular constituents and reactions. However, despite the key role of these networks in sustaining cellular functions, their large-scale structure is essentially unknown.” https://lnkd.in/em_2tJm View in LinkedIn
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linkedin post 2018-01-01 05:53:09

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NECESSARY TRANSITIONS. "Given these detrimental effects, the existence of successful polyploid species and lineages indicates that natural selection can often promote transitions from multi- to bivalents that then segregate as in diploids. However, how such transitions are achieved at the molecular level remains a mystery." http://biorxiv.org/content/biorxiv/early/2016/04/28/050831.full.pdf View in LinkedIn
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linkedin post 2017-12-31 07:12:54

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SO ENDS this consideration of where living things fit in the world of scale. The immensity of smallness on one hand, balances with the hugeness of immensity on the other. Life is sandwiched in between. Whether superorganisms such as bacteria and viruses add a few more orders of magnitude is as yet unknown. View in LinkedIn
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linkedin post 2017-12-31 07:10:38

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SPACE BIOLOGY, driven by man’s thirst to explore other planets, is forcing us to consider the next series of scales. “Scientists observed that returning astronauts had grown taller and had substantially reduced bone and muscle mass.” They also have cognitive and immune problems. https://lnkd.in/dEPb-CN View in LinkedIn
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linkedin post 2017-12-31 07:05:41

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IN THE MIDDLE. “The single cell microbiological cells start at 10 to minus 5 meters. This is a very important scale, which is actually in the middle between the Planck scale and the universal and cosmological scale both these directions about 10 to minus 30 meters on the lower side to the Planck limit and 10 to plus 30 meters on the higher side to the Hubble horizon limit.” A unique article. https://lnkd.in/dfZFAM5 View in LinkedIn
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linkedin post 2017-12-31 07:02:33

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BEYOND THE MICROMETER SCALE (10(-6)) lies the milli- (10(-3)), centi- (10(-2)), deci- (10(-1)), and much further, the mega- (10(6)), giga- (10(9)), and tera- (10(12)). Properties of time, gravity, and space warp progressively with scale changes. Just as changes between states governed by different scales affect cells (such as light waves), so also, time, gravity and space will impact cells. We have ignored them because we believe there is no life in those realms. https://lnkd.in/d_2ckDP View in LinkedIn
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