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Read through the most famous quotes by topic #bio
Prediction in a complex world is a chancy business. Every decision that a survival machine takes is a gamble, and it is the business of genes to program brains in advance so that on average they take decisions that pay off. The currency used in the casino of evolution is survival, strictly gene survival, but for many purposes individual survival is a reasonable approximation. ↗
Beautiful day out there,” I said, perching on the stool and crossing my legs. “It’s autumn, Sunday, great weather, and crowded everywhere you go. Relaxing indoors like this is the best thing you can do on such a nice day. It’s exhausting to get into those crowds. And the air is bad. I mostly do laundry on Sundays—wash the stuff in the morning, hang it out on the roof of my dorm, take it in before the sun goes down, do a good job of ironing it. I don’t mind ironing at all. There’s a special satisfaction in making wrinkled things smooth. And I’m pretty good at it, too. Of course, I was lousy at it at first. I put creases in everything. After a month of practice, though, I knew what I was doing. So Sunday is my day for laundry and ironing. I couldn’t do it today, of course. Too bad: wasted a perfect laundry day. ↗
Personally, I've always found the study of life incredibly boring – I much prefer to just live it. I do enjoy speculating on life, though. But to go and ruin that speculation by checking it against facts, it's terribly disappointing. I'm afraid it would turn me into a cynic. ↗
#cynicism #empiricism #funny #humor #life
Random mutations much more easily debilitate genes than improve them, and that this is true even of the helpful mutations. Let me emphasize, our experience with malaria’s effects on humans (arguably our most highly studied genetic system) shows that most helpful mutations degrade genes. What’s more, as a group the mutations are incoherent, meaning that they are not adding up to some new system. They are just small changes - mostly degradative - in pre-existing, unrelated genes. The take-home lesson is that this is certainly not the kind of process we would expect to build the astonishingly elegant machinery of the cell. If random mutation plus selective pressure substantially trashes the human genome, why should we think that it would be a constructive force in the long term? There is no reason to think so. ↗
#chance #darwinism #evolution #macro-evolution #macroevolution
To establish evolutionary interrelatedness invariably requires exhibiting similarities between organisms. Within Darwinism, there's only one way to connect such similarities, and that's through descent with modification driven by the Darwinian mechanism. But within a design-theoretic framework, this possibility, though not precluded, is also not the only game in town. It's possible for descent with modification instead to be driven by telic processes inherent in nature (and thus by a form of design). Alternatively, it's possible that the similarities are not due to descent at all but result from a similarity of conception, just as designed objects like your TV, radio, and computer share common components because designers frequently recycle ideas and parts. Teasing apart the effects of intelligent and natural causation is one of the key questions confronting a design-theoretic research program. Unlike Darwinism, therefore, intelligent design has no immediate and easy answer to the question of common descent. Darwinists necessarily see this as a bad thing and as a regression to ignorance. From the design theorists' perspective, however, frank admissions of ignorance are much to be preferred to overconfident claims to knowledge that in the end cannot be adequately justified. Despite advertisements to the contrary, science is not a juggernaut that relentlessly pushes back the frontiers of knowledge. Rather, science is an interconnected web of theoretical and factual claims about the world that are constantly being revised and for which changes in one portion of the web can induce radical changes in another. In particular, science regularly confronts the problem of having to retract claims that it once confidently asserted. ↗
I had spent many nights in the jungle looking for game, but this was the first time I had ever spent a night looking for a man-eater. The length of road immediately in front of me was brilliantly lit by the moon, but to right and left the overhanging trees cast dark shadows, and when the night wind agitated the branches and the shadows moved, I saw a dozen tigers advancing on me, and bitterly regretted the impulse that had induced me to place myself at the man-eater's mercy. I lacked the courage to return to the village and admit I was too frightened to carry out my self-imposed task, and with teeth chattering, as much from fear as from cold, I sat out the long night. As the grey dawn was lighting up the snowy range which I was facing, I rested my head on my drawn-up knees, and it was in this position my men an hour later found me fast asleep; of the tiger I had neither heard nor seen anything. ↗
Outside and inside, life and soul, appear as parallels in “case history” and “soul history.” A case history is a biography of historical events in which one took part: family, school, work, illness, war, love. The soul history often neglects entirely some or many of these events, and spontaneously invents fictions and “inscapes” without major outer correlations. The biography of the soul concerns experience. It seems not to follow the one-way direction of the flow of time, and it is reported best by emotions, dreams, and fantasies … The experiences arising from major dreams, crises, and insights give definition to the personality. They too have “names” and “dates” like the outer events of case history; they are like boundary stones, which mark out one’s own individual ground. These marks can be less denied than can the outer facts of life, for nationality, marriage, religion, occupation, and even one’s own name can all be altered … Case history reports on the achievements and failures of life with the world of facts. But the soul has neither achieved nor failed in the same way … The soul imagines and plays – and play is not chronicled by report. What remains of the years of our childhood play that could be set down in a case history? … Where a case history presents a sequence of facts leading to diagnosis, soul history shows rather a concentric helter-skelter pointing always beyond itself … We cannot get a soul history through a case history. ↗
This (...) had made me aware for the first time of the well-disguised myth that they and the academic institutions they represent are bastions of a free exchange of ideas. They are -but only of those ideas that don't 'rock the boat', that refrain from challenging hallowed taboos. ↗
Even if we have a reliable criterion for detecting design, and even if that criterion tells us that biological systems are designed, it seems that determining a biological system to be designed is akin to shrugging our shoulders and saying God did it. The fear is that admitting design as an explanation will stifle scientific inquiry, that scientists will stop investigating difficult problems because they have a sufficient explanation already. But design is not a science stopper. Indeed, design can foster inquiry where traditional evolutionary approaches obstruct it. Consider the term "junk DNA." Implicit in this term is the view that because the genome of an organism has been cobbled together through a long, undirected evolutionary process, the genome is a patchwork of which only limited portions are essential to the organism. Thus on an evolutionary view we expect a lot of useless DNA. If, on the other hand, organisms are designed, we expect DNA, as much as possible, to exhibit function. And indeed, the most recent findings suggest that designating DNA as "junk" merely cloaks our current lack of knowledge about function. For instance, in a recent issue of the Journal of Theoretical Biology, John Bodnar describes how "non-coding DNA in eukaryotic genomes encodes a language which programs organismal growth and development." Design encourages scientists to look for function where evolution discourages it. Or consider vestigial organs that later are found to have a function after all. Evolutionary biology texts often cite the human coccyx as a "vestigial structure" that hearkens back to vertebrate ancestors with tails. Yet if one looks at a recent edition of Gray’s Anatomy, one finds that the coccyx is a crucial point of contact with muscles that attach to the pelvic floor. The phrase "vestigial structure" often merely cloaks our current lack of knowledge about function. The human appendix, formerly thought to be vestigial, is now known to be a functioning component of the immune system. ↗
The information contained in an English sentence or computer software does not derive from the chemistry of the ink or the physics of magnetism, but from a source extrinsic to physics and chemistry altogether. Indeed, in both cases, the message transcends the properties of the medium. The information in DNA also transcends the properties of its material medium. ↗
