Best 455 quotes in «biology quotes» category

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    Many schools, colleges and universities have turned into biologically toxic radio frequency (RF) radiation antenna parks.

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    Marian’s eyes absolutely blaze. To meet them is to have a shock of contact as if they were electrically charged. “Now you see? You wondered what was in whale’s milk. Don’t you know now? The same thing that’s in a mushroom spore so small you need a microscope to see it, or in gophers, or poison oak, or anything else we try to pave under or grub out, or poison. There isn’t good life and bad life, there’s only life. Think of the force down there, just telling things to get born!

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    Masturbating is no more sinful than praying or meditating.

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    Maybe if you had megaphones on your chest they'd listen to the words that came out of your lips

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    Measured with magnetic field meters, the electromagnetic field that the heart produces is some 5,000 times more powerful than that created by the brain.

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    Masturbation and meditation both promote physical and mental wellbeing.

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    Men write more books. Men give more lectures. Men ask more questions after lectures. Men post more e-mail to Internet discussion groups. To say this is due to patriarchy is to beg the question of the behavior's origin. If men control society, why don't they just shut up and enjoy their supposed prerogatives? The answer is obvious when you consider sexual competition: men can't be quiet because that would give other men a chance to show off verbally. Men often bully women into silence, but this is usually to make room for their own verbal display. If men were dominating public language just to maintain patriarchy, that would qualify as a puzzling example of evolutionary altruism—a costly, risky individual act that helps all of one's sexual competitors (other males) as much as oneself. The ocean of male language that confronts modern women in bookstores, television, newspapers, classrooms, parliaments, and businesses does not necessarily come from a male conspiracy to deny women their voice. It may come from an evolutionary history of sexual selection in which the male motivation to talk was vital to their reproduction.

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    Molecular machines display a key signature or hallmark of design, namely, irreducible complexity. In all irreducibly complex systems in which the cause of the system is known by experience or observation, intelligent design or engineering played a role in the origin of the system... We find such systems within living organisms.

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    More about the selection theory: Jerne meant that the Socratic idea of learning was a fitting analogy for 'the logical basis of the selective theories of antibody formation': Can the truth (the capability to synthesize an antibody) be learned? If so, it must be assumed not to pre-exist; to be learned, it must be acquired. We are thus confronted with the difficulty to which Socrates calls attention in Meno [ ... ] namely, that it makes as little sense to search for what one does not know as to search for what one knows; what one knows, one cannot search for, since one knows it already, and what one does not know, one cannot search for, since one does not even know what to search for. Socrates resolves this difficulty by postulating that learning is nothing but recollection. The truth (the capability to synthesize an antibody) cannot be brought in, but was already inherent.

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    My laboratory is interested in the related challenges of understanding the origin of life on the early earth, and constructing synthetic cellular life in the laboratory. Focusing on artificial life frees us to explore novel chemical systems, but what we learn from these systems helps us to understand possible pathways leading to the origin of life. Our basic design for a synthetic cell involves the encapsulation of a spontaneously replicating nucleic acid, which acts as the genetic material, within a spontaneously replicating membrane vesicle, which provides spatial localization. We are using chemical synthesis to make nucleic acids with modified nucleobases and sugar-phosphate backbones.

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    My practice as a scientist is atheistic. That is to say, when I set up an experiment I assume that no god, angel or devil is going to interfere with its course; and this assumption has been justified by such success as I have achieved in my professional career. I should therefore be intellectually dishonest if I were not also atheistic in the affairs of the world.

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    Nature, ... in order to carry out the marvelous operations [that occur] in animals and plants has been pleased to construct their organized bodies with a very large number of machines, which are of necessity made up of extremely minute parts so shaped and situated as to form a marvelous organ, the structure and composition of which are usually invisible to the naked eye without the aid of a microscope. ... Just as Nature deserves praise and admiration for making machines so small, so too the physician who observes them to the best of his ability is worthy of praise, not blame, for he must also correct and repair these machines as well as he can every time they get out of order.

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    Natural Sciences are all about fascinating causality.

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    Neuron is to Consciousness, what D.N.A. is to Life. Thus, Biology of Mind is to the twenty-first century, what Biology of Life was to the twentieth century.

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    Never underestimate the power of an educated person that has committed to shutting down your biologically toxic enterprise.

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    Nikola Tesla’s dream of a wireless global society is the nightmare of human biology.

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    No, Carolyn, you can’t petition PETA to get a waiver from dissecting the frog. The frog’s already dead. It donated itself to science. Don’t let its sacrifice be in vain. -Brandon

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    No existing form of anthropoid ape is even remotely related to the stock which has given rise to man.

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    No human, no matter how ancient, or how popular, can be above the laws of Nature.

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    No Lord Almighty created the humans out of personal will. Creationism is simply a myth created by the weak and ignorant humans out of a psychological need to have a sense of eternal security.

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    Not to use bacteria as model organisms for more complex animals, but the reverse: to literally make complex animals more like their model organisms, by making living matter conform to the shape, time, and technical forms of simpler experimental models.

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    Neither humans nor the Gods that they have created are superior to old Mother Nature.

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    Originally, the atoms of carbon from which we’re made were floating in the air, part of a carbon dioxide molecule. The only way to recruit these carbon atoms for the molecules necessary to support life—the carbohydrates, amino acids, proteins, and lipids—is by means of photosynthesis. Using sunlight as a catalyst the green cells of plants combine carbon atoms taken from the air with water and elements drawn from the soil to form the simple organic compounds that stand at the base of every food chain. It is more than a figure of speech to say that plants create life out of thin air.

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    Our brains contain one hundred billion nerve cells (neurons). Each neuron makes links with ten thousand other neurons to form an incredible three dimensional grid. This grid therefore contains a thousand trillion connections - that's 1,000,000,000,000,000 (a quadrillion). It's hard to imagine this, so let's visualise each connection as a disc that's 1mm thick. Stack up the quadrillion discs on top of each other and they will reach the sun (which is ninety-three million miles from the earth) and back, three times over.

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    Our present intricate humanly consciousness evolved after a long journey of struggle. And the beauty of natural selection is that our struggle against nature made us worthy of being rewarded with the 3 lbs. lump of highly advanced biological computer by our Mother Nature herself.

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    Might one not say that in the chance combination of nature's production, since only those endowed with certain relations of suitability could survive, it is no cause for wonder that this suitability is found in all species that exist today? Chance, one might say, produced an innumerable multitude of individuals; a small number turned out to be constructed in such fashion that the parts of the animal could satisfy its needs; in another, infinitely greater number, there was neither suitability nor order: all of the later have perished; animals without a mouth could not live, others lacking organs for reproduction could not perpetuate themselves: the only ones to have remained are those in which were found order and suitability; and these species, which we see today, are only the smallest part of what blind fate produced.

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    Now the leatherback turtle overcame the heat issue via a simple, but evolutionarily impossible solution; it is the only reptile that possesses fatty insulation known as brown adipose tissue, and the only reptile that regulates a high body temperature. This brown adipose tissue is the expression of the UCP1 gene, and, aside from the leatherbacks, is found only in mammals, amphibians, and fishes. Not one other reptile has UCP1.

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    Of the contributions made during the essayist period three call for notice: Weismann deserves mention for his useful work in asking for the proof that "acquired characters" or, to speak more precisely, parental experience can really be transmitted to the offspring. The ocurrence of progressive adaptation by transmission of effects of use had seemed so natural to Darwin and his contemporaries that no proof of the physiological reality of the henomenon was thought necessary. Weismann's challenge revealed the utter inadequacy of the evidence on which the beliefs were based. They are doubtless isolated observations which may be interpreted as favouring the belief in these transmissions, but such meagre indications as exist are by general consent admitted to be too slight to be of much assistance in the attempt to understand how the more complex adaptive mechanisms arose.

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    Once a small planet is discovered, astronomers try to determine which category it belongs to. This is like biologists trying to classify a new animal as either being a mammal or reptile.

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    Once we knit biology to the canvas of consciousness, things get enough complicated already. Let alone culture, science and other conditionings layered on top of them.

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    One feature of our own society that seems decidedly anomalous is the matter of sexual advertisement, As we have seen, it is strongly to be expected on evolutionary grounds that, where the sexes differ, it should be the males that advertise and the females that are drab. Modern western man is undoubtedly exceptional in this respect. It is of course true that some men dress flamboyantly and some women dress drably but, on average, there can be no doubt that in our society the equivalent of the peacock's tail is exhibited by the female, not by the male. Women paint their faces and glue on false eyelashes. Apart from special cases, like actors, men do not. Women seem to be interested in their own personal appearance and are encouraged in this by their magazines and journals. Men's magazines are less preoccupied with male sexual attractiveness, and a man who is unusually interested in his own dress and appearance is apt to arouse suspicion, both among men and among women. When a woman is described in conversation, it is quite likely that her sexual attractiveness, or lack of it, will be prominently mentioned. This is true, whether the speaker is a man or a woman. When a man is described, the adjectives used are much more likely to have nothing to do with sex. Faced with these facts, a biologist would be forced to suspect that he was looking at a society in which females compete for males, rather than vice versa. In the case of birds of paradise, we decided that females are drab because they do not need to compete for males. Males are bright and ostentatious because females are in demand and can afford to be choosy. The reason female birds of paradise are in demand is that eggs are a more scarce resource than sperms. What has happened in modern western man? Has the male really become the sought-after sex, the one that is in demand, the sex that can afford to be choosy? If so, why?

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    One of my friends compared me to Bruce Banner, due to my work with radiation and human health. So I looked up Bruce Banner and this is what I found: Banner, a physicist, is sarcastic and seemingly very self-assured when he first appears in Incredible Hulk #1, but is also emotionally withdrawn in most fashions...Banner is considered one of the greatest scientific minds on Earth, possessing "a mind so brilliant it cannot be measured on any known intelligence test." He holds expertise in biology, chemistry, engineering, physiology, and nuclear physics.

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    [On scientist Carl Friedrich Gauss] [Carl Friedrich] Gauss told his friend Rudolf Wagner, a professor of biology at Gottingen University, that he did not believe in the Bible but that he had meditated a great deal on the future of the human soul and speculated on the possibility of the soul being reincarnated on another planet. Evidently, Gauss was a Deist with a good deal of skepticism concerning religion.

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    On ne naît pas femme: on le devient.

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    She could not be silent even if the men of science, many of them smug experts in white lab coats who promised “better living through chemistry,” dismissed her warnings as feminine hysteria.

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    She had a theory that the fear of getting in trouble was what made her not as good a programmer and that, in fact, it was all linked to testosterone, and that was why there were more guy programmers than women. It was a very hazy theory, and she didn't like it, but she had pretty much convinced herself it was true, although she couldn't bear to think of sharing it with anybody, because it was a lot better to think that there were social reasons why girls didn't usually become code monkeys than to think there were biological reasons.

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    Shutting down the biologically toxic Mauna Kea Observatories is the short term goal. The long term goal is shutting down the biologically toxic Space industry.

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    Signal transduction science recognizes that the fate and behavior of an organism is directly linked to its perception of the environment.

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    Our world is built on biology and once we begin to understand it, it then becomes a technology

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    Oxygen deprivation and supplemental oxygen are both bio-hazards for Mauna Kea workers

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    People, as curious primates, dote on concrete objects that can be seen and fondled. God dwells among the details, not in the realm of pure generality. We must tackle and grasp the larger, encompassing themes of our universe, but we make our best approach through small curiosities that rivet our attention - all those pretty pebbles on the shoreline of knowledge. For the ocean of truth washes over the pebbles with every wave, and they rattle and clink with the most wondrous din.

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    Perhaps if zoologists would contemplate the wide variations presented by many plants of indubitably one and the same species, and the still wider diversities of long cultivated races from an original stock, they would find more than one instructive parallel to the case of the longest domesticated of all species, man.

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    Plants can be affected by stray voltage and they may show stunted growth, deformed growth, or go dormant. In extreme cases they may die.

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    Quick dinner with ... Ang [Lee] and his wife Jane who's visiting with the children for a while. We talked about her work as a microbiologist and the behaviour of the epithingalingie under the influence of cholesterol. She's fascinated by cholesterol. Says it's very beautiful: bright yellow. She says Ang is wholly uninterested. He has no idea what she does. I check this out for myself. 'What does Jane do?' I ask. 'Science,' he says vaguely.

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    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.

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    Real arms races are run by highly intelligent, bespectacled engineers in glass offices thoughtfully designing shiny weapons on modern computers. But there's no thinking in the mud and cold of nature's trenches. At best, weapons thrown together amidst the explosions and confusion of smoky battlefields are tiny variations on old ones, held together by chewing gum. If they don't work, then something else is thrown at the enemy, including the kitchen sink - there's nothing "progressive" about that. At its usual worst, trench warfare is fought by attrition. If the enemy can be stopped or slowed by burning your own bridges and bombing your own radio towers and oil refineries, then away they go. Darwinian trench warfare does not lead to progress - it leads back to the Stone Age.

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    See how a body will change, to give you the best chance it can.

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    Not untill all babies are born from glass jars will the combat cease between mother and son. But in a totalitarian future that has removed procreation from woman's hands, there will also be no affect and no art. Men will be machines, without pain but also without pleasure. Imagination has a price, which we are paying every day. There is no escape from the biologic chains that bind us.

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    Some believe what separates men from animals is our ability to reason. Others say it’s language or romantic love, or opposable thumbs. Living here in this lost world, I’ve come to believe it is more than our biology. What truly makes us human is our unending search, our abiding desire for immortality.

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    Some people say that we like wolves because they remind us of our dogs, but it is my assertion that we like our dogs because they actually remind us of our ancestral link with wolves, of the freedom that we still carry dormant, deep in our cells.