“I confess I do not believe in time. I like to fold my magic carpet, after use, in such a way as to superimpose one part of the pattern upon another. Let visitors trip. And the highest enjoyment of timelessness―in a landscape selected at random―is when I stand among rare butterflies and their food plants.- nabokov
Showing posts with label evolution. Show all posts
Showing posts with label evolution. Show all posts
Friday, September 23, 2022
Wednesday, August 24, 2022
[Evolution] Sent messages missing in search folders9
[Evolution] Sent messages missing in search folders9
Yahoo/Inbox
- binarynoise via evolution-list <evolution-list@gnome.org>UnsubscribeTo:evolution-list@gnome.orgTue, Aug 23 at 7:05 AMHello everyone,I have set up search folders to group inboxes and unread messages, butI notices that although I have set up the filters to include allrelated messages, messages sent by me as response are missing.How and where can I include them in the search folder?My current configuration is like this:(sorry if not translated properly, but you get the idea)- look for objects that meet: all the critria- include conversations: all related- state is not read, not spam, not deleted, not draftThanks for your help,Greetingsbinarynoise_______________________________________________evolution-list mailing listTo change your list options or unsubscribe, visit ...
Saturday, February 8, 2020
Thursday, February 6, 2020
Causes of Variability from on the origen of the species
Causes of Variability. Effects of Habit. Correlation of Growth. Inheritance. Character of Domestic Varieties. Difficulty of distinguishing between Varieties and Species. Origin of Domestic Varieties from one or more Species. Domestic Pigeons, their Differences and Origin. Principle of Selection anciently followed, its Effects. Methodical and Unconscious Selection. Unknown Origin of our Domestic Productions. Circumstances favourable to Man's power of Selection.
When we look to the individuals of the same variety or sub-variety of our older cultivated plants and animals, one of the first points which strikes us, is, that they generally differ much more from each other, than do the individuals of any one species or variety in a state of nature. When we reflect on the vast diversity of the plants and animals which have been cultivated, and which have varied during all ages under the most different climates and treatment, I think we are driven to conclude that this greater variability is simply due to our domestic productions having been raised under conditions of life not so uniform as, and somewhat different from, those to which the parent-species have been exposed under nature. There is, also, I think, some probability in the view propounded by Andrew Knight, that this variability may be partly connected with excess of food. It seems pretty clear that organic beings must be exposed during several generations to the new conditions of life to cause any appreciable amount of variation; and that when the organisation has once begun to vary, it generally continues to vary for many generations. No case is on record of a variable being ceasing to be variable under cultivation. Our oldest cultivated plants, such as wheat, still often yield new varieties: our oldest domesticated animals are still capable of rapid improvement or modification.
It has been disputed at what period of life the causes of variability, whatever they may be, generally act; whether during the early or late period of development of the embryo, or at the instant of conception. Geoffroy St. Hilaire's experiments show that unnatural treatment of the embryo causes monstrosities; and monstrosities cannot be separated by any clear line of distinction from mere variations. But I am strongly inclined to suspect that the most frequent cause of variability may be attributed to the male and female reproductive elements having been affected prior to the act of conception. Several reasons make me believe in this; but the chief one is the remarkable effect which confinement or cultivation has on the functions of the reproductive system; this system appearing to be far more susceptible than any other part of the organisation, to the action of any change in the conditions of life. Nothing is more easy than to tame an animal, and few things more difficult than to get it to breed freely under confinement, even in the many cases when the male and female unite. How many animals there are which will not breed, though living long under not very close confinement in their native country! This is generally attributed to vitiated instincts; but how many cultivated plants display the utmost vigour, and yet rarely or never seed! In some few such cases it has been found out that very trifling changes, such as a little more or less water at some particular period of growth, will determine whether or not the plant sets a seed. I cannot here enter on the copious details which I have collected on this curious subject; but to show how singular the laws are which determine the reproduction of animals under confinement, I may just mention that carnivorous animals, even from the tropics, breed in this country pretty freely under confinement, with the exception of the plantigrades or bear family; whereas, carnivorous birds, with the rarest exceptions, hardly ever lay fertile eggs. Many exotic plants have pollen utterly worthless, in the same exact condition as in the most sterile hybrids. When, on the one hand, we see domesticated animals and plants, though often weak and sickly, yet breeding quite freely under confinement; and when, on the other hand, we see individuals, though taken young from a state of nature, perfectly tamed, long-lived, and healthy (of which I could give numerous instances), yet having their reproductive system so seriously affected by unperceived causes as to fail in acting, we need not be surprised at this system, when it does act under confinement, acting not quite regularly, and producing offspring not perfectly like their parents or variable.
Sterility has been said to be the bane of horticulture; but on this view we owe variability to the same cause which produces sterility; and variability is the source of all the choicest productions of the garden. I may add, that as some organisms will breed most freely under the most unnatural conditions (for instance, the rabbit and ferret kept in hutches), showing that their reproductive system has not been thus affected; so will some animals and plants withstand domestication or cultivation, and vary very slightly—perhaps hardly more than in a state of nature.
Thursday, January 30, 2020
Thursday, December 5, 2019
Saturday, November 30, 2019
Reassess western logic
- Stop thinking only about Plato and his ideas. He is dead. Hurry him! Western logic is just one ☝ way of thinking about things. Western logic is not for everyone. Stop forcing reality into boxes! You think that you can understand reality. You think that you can understand truth. You think that you can understand the Bible. Go ahead and try to understand how things turn out when you try to do that. God stops making sense. Pain stops making sense. You are left crying 😢 all the time. Plato and Aristotle spoke about questioning everything. Why not question them? Why not reanalyze all western logic? A+B category may not be how the world works. You accept the assumptions of western civilization. Ask yourself why you do that! Remember the Maccabees! Western logic hurt the Jews. Free your mind!
Wednesday, November 20, 2019
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