Download The Second Tree: Of Clones, Chimeras and Quests for by Elaine Dewar PDF

By Elaine Dewar

The second one Tree files a organic revolution that might swap how you take into consideration the cloth international, your personal existence or even the inevitability of your individual death

Genetic scientists are busily pushing again the limits of the humanly attainable, mountaineering the branches of a tree of lifestyles that has been grafted through guy, now not God. Elaine Dewar chronicles the lives, the discoveries, and the feuds between sleek biologists, exploring how they've got crafted the instruments to change human evolution. She travels the globe at the path of Charles Darwin and his highbrow descendants, telling the tale of James D. Watson and his accomplice Francis Crick, who first defined DNA; of Frederick Sanger, who invented easy methods to series genes and gained Nobel prizes; of the pc scientists who positioned the human genome at the world-wide-web. She visits businesses which are attempting to flip cloned sheep into pharmacies at the hoof, to resurrect prize cows from the grave, to transplant human genes into mice -- eventually trying to provide us immortality in items whereas attempting to maintain traders chuffed. As those stories spill out, we discover out how biologists study via doing: tearing mice and worms and flies and human eggs aside, twinning disparate animal cells and genes jointly -- growing clones and chimeras as outlandish as any sphinx.

In public, examine biologists frequently show their strong intentions approximately curing the massive illnesses. In inner most, a lot of them are pressured via livid struggles to be wealthy, well-known and primary. Dewar lays naked the causes, conflicts and fears of the boys and girls whose task it's to trespass the bounds of what laypeople examine moral and sacred.

From the Hardcover edition.

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Overview of tracheal vasculature showing region (box) enlarged in (A). C,D Scanning EM images of a pericyte closely associated with the endothelium of a normal capillary in mouse pancreatic islet (C) and a pericyte loosely associated with a blood vessel in RIP-Tag2 tumor (D). E–H. Confocal micrographs comparing basement membrane (red) of capillaries of normal adult mouse trachea (E,G arrows) (from [49]) and tortuous, anastomotic vasculature of RIP-Tag2 tumor (F,H arrows) after staining for type IV collagen immunoreactivity alone (E,F red) or with CD31 immunoreactivity (G,H green).

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