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Men, towards the end of the last millennium, felt a sudden tightening of the bowels with the news that the services of their sex had at last been dispensed with. Dolly the Sheep - conceived without male assistance - had arrived. Her birth reminded at least half the population of how precarious man's position may be. What is the point of being a man? For a brief and essential instant he is a donor of DNA; but outside that glorious moment his role is hard to understand. This book is about science not society; about maleness not manhood. The condition is, in the end, a matter of biology, whatever limits that science may have in explaining the human condition. Today's advances in medicine and in genetics mean at last we understand why men exist and why they are so frequent. We understand from hormones to hydraulics how man's machinery works, why he dies so young and how his brain differs from that of the rest of mankind.… (plus d'informations)
This was read a few years ago, but my notes say that I had four books by this author - the first I gave up about a third in, the second (this one, about the Y chromosome) I struggled through to the end, the third I read some bits and skimmed others, and the fourth even more so.
I don't know how he manages to make an interesting subject boring and in places obscure, so I still don't really understand the difference between genes, chromosomes and how e.g. mitocondrial DNA can cause developmental problems when it is meant to be separate from the other DNA and is forms each cell's energy factory. So I will have to stay mystified until I can find someone who explains it a lot better than this author!
I haven't read Darwin's [b:The Descent of Man|185407|The Descent of Man|Charles Darwin|https://d.gr-assets.com/books/1388296535s/185407.jpg|728232] yet so I can't tell if Steve Jones is trying to parallel structure here, though it's certainly a slimmer volume. A nice broad survey of all the things that make someone biologically male- hormones and genes that play a role in development, the mechanics of the penis, the diversity of sperm types across Animalia, tracing genealogy via the Y chromosome, etc. He provides a list of further reading for nonspecialists which could be handy, though because this was published >10 years ago you may be better off googling newer material. ( )
Fabulous look at what makes men men and at all kinds of aspects of masculinity, all of the obvious ones and a few that aren't. Lots of genetic stuff as you'd expect but quite a lot that dives out into other areas of biology and beyond. Great writer as well as a good scientist. ( )
Fabulous look at what makes men men and at all kinds of aspects of masculinity, all of the obvious ones and a few that aren't. Lots of genetic stuff as you'd expect but quite a lot that dives out into other areas of biology and beyond. Great writer as well as a good scientist. ( )
After looking at the most popular penis enhancement methods we've discovered that an extender is the quickest, safest and most effective way to increase penis size and is also the only method currently clinically proven to work.
Exercises also show promise, but gains will not be as quick and perhaps as noticeable as with a penis extender device. So now that we've discovered the right methods, let's work out which manufacture is going to deliver the best results.
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
Ignorance more frequently begets confidence than does knowledge. —Charles Darwin The Descent of Man and Selection in Relation to Sex (1871)
Dédicace
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
To Alex Trench, who has at least one, & Norma Percy, who doesn't
Premiers mots
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
Preface: The Diminished Female Type the term "masculinity" into Amazon.com (not at first sight the most obvious source) and a thousand titles emerge. A quarter are by women.
Citations
Derniers mots
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
The century of progress in biology since The Descent of Man has given death a penis, and men themselves the comfort of knowing quite why their organ is so dangerous. What they choose to do about the problem is quite another matter, which — like so many of man's affairs — has little to do with science.
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Men, towards the end of the last millennium, felt a sudden tightening of the bowels with the news that the services of their sex had at last been dispensed with. Dolly the Sheep - conceived without male assistance - had arrived. Her birth reminded at least half the population of how precarious man's position may be. What is the point of being a man? For a brief and essential instant he is a donor of DNA; but outside that glorious moment his role is hard to understand. This book is about science not society; about maleness not manhood. The condition is, in the end, a matter of biology, whatever limits that science may have in explaining the human condition. Today's advances in medicine and in genetics mean at last we understand why men exist and why they are so frequent. We understand from hormones to hydraulics how man's machinery works, why he dies so young and how his brain differs from that of the rest of mankind.
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I don't know how he manages to make an interesting subject boring and in places obscure, so I still don't really understand the difference between genes, chromosomes and how e.g. mitocondrial DNA can cause developmental problems when it is meant to be separate from the other DNA and is forms each cell's energy factory. So I will have to stay mystified until I can find someone who explains it a lot better than this author!