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When zebra finches( Australian weaverbird with markings like a zebra’s) pair off with mates of their own choosing, rate of monogamy and parental care rise up. As a result, their  eggs are more likely to be fertilized, perpetuating their genes through their thriving offspring.Thus, evolution permits choosiness , a costly waste of time and energy.

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There is a higher level of infidelity in Australian weaverbirds from non-chosen (arranged or forced marriage) pairs – interestingly females roam less than male birds.

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Our relations should be emotionally glued. Humans are not logical spreadsheets.
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Logical thinking tells us how something works, emotional thinking determines its value.
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The decisions of our leaders should be made with rationality instead of emotions.
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Life’s a longing for unconditional love.
The things that make people organically happy is the deep relationships of life- the losing of self-sufficiency and enjoying dependence on others.
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Happiness is the ability to enjoy suffering for serving society.
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Pain that is not transformed into joy gets transmitted to initiate social changes.

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“Society changes when a small group of people find a better way to live, and the rest of us copy them.”
-David Brooks
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Diabetes, a genetically evolved survival mechanism to resist freezing and brain-starvation during the last ice age, is now a health care problem.

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Reality is a trans-subjective construction, to the extent that it evolves with the instrumental data of LHC ,NASA or ISRO. Even a single empirical fact can ruin the most beautiful scientific theory.

………………………………………… Quantum world is different from classical one to the extent that no mathematical formalism permits the rigorous passage from one world to another.

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Though objects in mathematical twistor space (totality of light rays in space-time ) represent objects and events in our universe, its smoothness doesn’t allow any quantum discreteness.

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Our temporary solid(four dimensional) universe (basically a quantum fluctuation) amounts to be a projection from an eternal, geometric point(zero dimensional).

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We might be the product of design, coincidence, multiverse or evolution.

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Some particular properties of the universe keep up our very existence as living, conscious beings.

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A man is an arrangement of dust on one small planet out of billions of trillions in  a universe, which might again be one of many universes.

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Only a thinking man  gives  meaning to an otherwise nonexistent universe.

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No ‘right now across the universe’  exists.
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“Everything we do in science is conditioned by the way we look at the world and the way we look at the world is necessarily limited.”

-Marcelo Gleiser, a theoretical physicist

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We can never look at the universe from the “outside.”

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HUP represents the most fundamental initial ‘imperative’ for the universe to exist.
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The second law of thermodynamics represents the most fundamental initial ‘imperative’ for us to struggle for existence.


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Parity (mirror transformation) is the change in the algebraic sign of the coordinate system.

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The wavefunctions representing quantum particles behave in different ways upon parity transformation.

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The parity (mirror) transformation changes a right-handed coordinate system into a left-handed one or vice versa.

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Since two operations of the parity(mirror) transformation restores the coordinate system to its original state, nature should be oblivious to whether the coordinate system was right-handed or left-handed. Believe it or not, nature is not that simple. Some times somehow it routinely  remembers  a particle’s particular parity.

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The electromagnetic and strong interactions show mirror symmetry i.e.  invariance under the parity transformation.

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Even if a coin is tossed identically every time, whichever side wins  initially has a slightly greater chance of winning averagely. So nature is not so simply symmetrical.

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Quantum Bayesianism or QBism is a radically subjectivist interpretation of quantum to classical transition.
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Zurek’s quantum Darwinism stands in between two extremes-‘many worlds’ interpretation and the QBism.

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When the universe was born, there wasn’t any carbon (and thereby carbon based life) until  the first stars forged it from lighter elements. So life emerged from a nonliving universe.

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Scientists who are betting their time, effort and career status to discover a natural explanation for the origin of life, are gradually winning.

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Betting on natural explanations gets  technologically fruitful and intellectually  blissful because it reveals useful physical and biological rules.

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Living things aren’t made of a different substance from inanimate things.

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The basic elements of chemistry are the same in organisms as in the earth’s crust and atmosphere.

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Many complex organic molecules associated with life are often found in asteroids, comets and deep space.
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Isn’t it amazing to know that a sort of cell membrane could form spontaneously from abiotic fatty acids and amino acids?

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Proteins (polymers of amino acids) are nitrogenous organic constituents of living cells.

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Abiotic membrane formation may help assemble   proteins(still considered  exclusively biotic) – from smaller building blocks.

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A protein’s biological function depends on its three-dimensional folded structures.

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See

……………………………………..We ‘see’ electro-chemical changes.

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The brain’s visual system gets very little inputs from the world itself. Much of what we “see” comes from dataprocessing.
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We need mathematics to explain ‘vision’.
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Staring at a car engine was not enough to discover the laws of thermodynamics. We needed physics and mathematics.
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“The job of the theorist, as I see it, is we take these facts and put them together in a coherent picture. Experimentalists can’t tell you what makes something work.”
-Lai-Sang Young
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Neurons in the visual cortex interact to detect the edges of objects and changes in contrast.

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The eye, as a lens, receives light and projects a copy of our visual field onto the retina in the back of the eye. The retina is connected to the brain’s visual cortex in the back of the head.
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“A living man can be enslaved and reduced to the historic condition of an object. But if he dies in refusing to be enslaved, he reaffirms the existence of another kind of human nature which refuses to be classified as an object.”

-Albert Camus

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“Kites rise highest against the wind, not with it.” -Winston Churchill

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Ray Kurzweil (inventor of scanner) loves to predict about transhumanism, life extension technologies ,vertical farming, robots and AI.
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The future of food is vertical i.e. growing produce in nutrient-rich stacked trays or racks.

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As populations rise, agricultural land shrinks.
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Traanshumanism is the idea that humans will become hybrid machines soon.
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Nanobots will soon live in our blood-stream and do everything from scanning for a disease to transmitting our thoughts to a wireless cloud.

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Polchinski rejected the dualistic complementarity by saying that in-falling observers would get burnt up by a literal firewall at the event horizon.

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The firewall paradox is a conflict between three fundamental postulates- equivalence principle, unitarity and locality. To resolve the paradox, one of them must be abandoned.

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Since there’s no difference between acceleration due to gravity and the acceleration of a rocket, we shouldn’t feel anything amiss when we cross a black hole horizon. This is the equivalence principle in Einstein’s general theory of relativity.

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Unitarity demands that information cannot be destroyed.

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Locality means that events happening at a particular point in space can only influence nearby points.

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Locality implies that the laws of physics  hold far away from a black hole, even if they break down at  the singularity or at the event horizon.
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One solution to resolve firewall paradox is to have the equivalence principle break down at the event horizon, thereby giving rise to a firewall.

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Samir Mathur’s  “fuzzball conjecture” resolves the paradox by declaring that there is no event horizon (hence no information loss) but a ball of strings emitting heat in the form of Hawking radiation.

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Hawking himself believed that information temporarily confined behind event horizon, eventually escapes in an unusable form.

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According to Leonard Susskind and Juan Maldacena, quantum entanglements create invisible microscopic wormholes connecting the particles still inside the hole to particles that escaped long ago. Both Hawking radiation and information loss are in line with such entangled/wormholed  links.

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Since mass and energy bend the fabric of space-time, a certain configuration of matter and energy allows a tunnel, a shortcut between two distant parts of the universe.

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We need negative mass to cancel the destabilizing effects of regular mass trying to traverse a  wormhole. We still don’t know whether matter with negative mass exist or not.

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To build a traversible wormhole we  need an entrance (black hole) and an exit (white hole). We still don’t know whether white holes exist or not.

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According to mathematics, a charged black hole(though rare) has a stretched singularity bridged to another oppositely charged black hole.If we thread the wormhole with a cosmic string, the distant ends of the cosmic string act like two opposing tug-of-war teams, holding back charged black holes.

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Many defects(cracks) arise   when ice freezes. Cosmic strings (no wider than a proton but with a single inch of their length outweighing Mount Everest) are defects in the fabric of space-time during the first fractions of a second after the Big Bang.

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