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  Is the Dumb Jock Just a Mystic Who Doesn’t Know It Yet?English

  के द्वारा बनाई गई: roberto.c.alfredo में philosophy-corner पर 8 अक्टू॰ 2026, 1:28 am

  There is a particular kind of athlete who has existed for much longer in fiction than he has probably existed in anything resembling pure form in real life. He is enormous. He plays football, wrestles, lifts weights, or does all three. He is not especially troubled by abstract questions. If somebody uses a four-syllable word around him, there is a reasonable chance that the joke will be that he does not understand it. He may be good-natured or he may be a bully, but either way his body seems to have consumed most of the resources that otherwise might have gone toward interiority. In the old cartoon version of the archetype, he may literally begin a sentence with “duh.”

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  When Does Private Power Become a Threat to Liberty?English

  के द्वारा बनाई गई: roberto.c.alfredo में society-power-and-economy पर 7 अक्टू॰ 2026, 1:03 am

  There is one part of libertarian thought that has always made intuitive sense to me.

  Governments are powerful.

  They can tax you. Regulate you. Fine you. Imprison you. Conscript you. Search your property. Decide what kinds of businesses may legally exist and under what conditions they may operate. Even a democratic government, constrained by constitutions and elections, possesses powers that an ordinary individual does not.

  It therefore makes sense to be suspicious of allowing that power to grow without limit.

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  GABA: How the Brain Uses InhibitionEnglish

  के द्वारा बनाई गई: roberto.c.alfredo में neuroscience पर 4 अक्टू॰ 2026, 10:55 pm

  A nervous system cannot work by excitation alone. Neurons need ways to encourage other neurons to fire, but they also need ways to restrain them, sharpen their timing, filter competing signals, and prevent activity from spreading indiscriminately through a network. In the vertebrate brain, much of that inhibitory work depends on a small molecule called GABA, short for gamma-aminobutyric acid. GABA is commonly described as the brain's main inhibitory neurotransmitter, and that is a useful starting point. But it can also make inhibition sound simpler than it really is. GABA can make a neuron less likely to fire, change how strongly it responds to incoming signals, influence when it fires, or even increase activity elsewhere in a circuit by inhibiting another inhibitory neuron. The deeper story is not simply that GABA acts as a brake. It is that nervous systems use inhibition as one of the basic tools for organizing activity.

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  How Can the Brain Use Both Electricity and Chemicals?English

  के द्वारा बनाई गई: roberto.c.alfredo में neuroscience पर 1 अक्टू॰ 2026, 1:11 am

  Descriptions of the nervous system can sound contradictory.

  Neurons are often said to carry electrical signals. But we also hear constantly about neurotransmitters like dopamine, serotonin, glutamate, and GABA: chemicals that neurons use to communicate with one another.

  So which is it?

  The useful answer is: both.

  A typical neural signal repeatedly changes form. Within a neuron, information can travel as an electrical change in the cell membrane. At most synapses, the junctions between neurons, that electrical signal is converted into a chemical one. The receiving neuron then converts the chemical message back into an electrical change of its own.

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  Yankee Hotel Foxtrot: A Record in the DoorwayEnglish

  के द्वारा बनाई गई: roberto.c.alfredo में music-and-culture पर 15 सित॰ 2026, 1:13 am

  There is something peculiar about listening to Yankee Hotel Foxtrot with the dates in mind. Wilco recorded the album largely before September 11, 2001, and delivered it to Reprise in the middle of that year. Yet when the record finally received its conventional release in April 2002, it seemed uncannily suited to the world in which it arrived. Songs were filled with damaged communication, weary affection, American imagery, mechanical interference and moments of almost casual dread. “Jesus, Etc.” contained images of shaking tall buildings and escaping voices. Another song was called “Ashes of American Flags.” The album itself ended with a mysterious radio voice repeating the words “Yankee Hotel Foxtrot” through a growing wall of noise. None of this was written in response to September 11, yet after September 11 it became nearly impossible for listeners not to hear at least some of it through that experience. Contemporary and retrospective criticism alike noticed the effect. The catastrophe seemed to have placed a new frame around music that already existed.

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  Where Is the Center of the Universe?English

  के द्वारा बनाई गई: roberto.c.alfredo में physics पर 12 जुल॰ 2026, 3:40 am

  The universe is expanding.

  That sentence seems to invite an obvious follow-up question: expanding from where?

  If a firework explodes, its fragments race outward from the place where it detonated. If a stain spreads across a sheet of paper, we can trace it back toward the point where the first drop landed. If the universe was once much smaller, hotter, and denser than it is today, it feels natural to imagine that somewhere in space there must be a central location from where everything began.

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