Wednesday, February 26, 2014

Neanderthal Man


Neanderthal Man: In Search of Lost Genomes [Kindle Edition]

Author: Svante Pääbo | Language: English | ISBN: B00F226E74 | Format: PDF, EPUB

Neanderthal Man: In Search of Lost Genomes
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A preeminent geneticist hunts the Neanderthal genome to answer the biggest question of them all: what does it mean to be human?

What can we learn from the genes of our closest evolutionary relatives? Neanderthal Man tells the story of geneticist Svante Pääbo’s mission to answer that question, beginning with the study of DNA in Egyptian mummies in the early 1980s and culminating in his sequencing of the Neanderthal genome in 2009. From Pääbo, we learn how Neanderthal genes offer a unique window into the lives of our hominin relatives and may hold the key to unlocking the mystery of why humans survived while Neanderthals went extinct. Drawing on genetic and fossil clues, Pääbo explores what is known about the origin of modern humans and their relationship to the Neanderthals and describes the fierce debate surrounding the nature of the two species’ interactions.

A riveting story about a visionary researcher and the nature of scientific inquiry, Neanderthal Man offers rich insight into the fundamental question of who we are.
Books with free ebook downloads available Neanderthal Man: In Search of Lost Genomes [Kindle Edition]
  • File Size: 2728 KB
  • Print Length: 288 pages
  • Publisher: Basic Books (February 11, 2014)
  • Sold by: Amazon Digital Services, Inc.
  • Language: English
  • ASIN: B00F226E74
  • Text-to-Speech: Enabled
  • X-Ray:
    Enabled
  • Lending: Not Enabled
  • Amazon Best Sellers Rank: #17,312 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
    • #1 in Kindle Store > Kindle eBooks > Nonfiction > Science > Biological Sciences > Animals > Fossils
    • #1 in Books > Science & Math > Biological Sciences > Animals > Fossils
    • #3 in Kindle Store > Kindle eBooks > Nonfiction > Science > Genetics
With the completion of the full human genome sequence in 2003 and the rapid fall in DNA sequencing costs over the subsequent 10 years, we have been awaiting major advancements in many fields such as Healthcare, Agriculture, Drug Discovery and so on. However, the progress has been slow and the deluge of genome sequence data has been a tough problem to handle.

But, Svante Paabo in this fascinating book on the 'Neanderthal Man' shows how the new technologies have enabled him to sequence the genomes of our extinct relatives - the Neanderthals and the Denisovans. The data proves how our ancestors moved out of Africa about 50,000 years back and interbred to a small extent (2 to 7% of our genes come from them) with the Neanderthals and Denisovans and maybe drove them to extinction. Many interesting facts come out of these studies such as, (a) that gene flow seems to have been from the Neanderthals to us (and not the other way), (b) the founding population of the Neanderthals also seems to have pretty small like in the case of the humans (c) we split from the Neanderthals about 500,000 years back (d) the Denisovans split about 1 million years back (e) the Denisovans seem to be closer to the Neanderthals than to humans, and much more...

The book is not only fun to read, but Paabo's detective mode of story telling will also keep the reader focused. By mixing his personal stories with scientific research, Paabo provides a refreshing frankness to the narrative. We get a direct view of the challenges in scientific research and how the role of institutional support and adequate funding can make research a success. Paabo's journey from Egyptian mummies to Mammoths, to Sloths and finally the Neanderthals and Denisovans is a great inspiration to all students of science.
The Neanderthal Man, by Svante, is a compelling recount by a principal in the discovery of genes of the Neanderthals. It starts with the interest in recovering DNA from old sources, and in this case some liver bought at the local market and then desiccated in an oven at 50C. The tale spans over some twenty years, with diversions typical of science, and ultimately ends with the publishing of some of the most interesting results in understanding man and his evolution.

Svante is an exceptionally good writer and the tale flows quite smoothly. If one understands the science, then one can fill in the gaps and the tales is well presented. If one does not understand the science then one can still appreciate what is happening by taking the results presented at face value.

The tale works back and forth from the fundamental science to the interrelationships between various players in the overall search. Svante shows how he managed to deal with the anthropologists and others to get samples of Neanderthals from as far away as Siberia. It also demonstrates some of the more cooperative nature of science as new techniques is shared and how Svante is assisted by many others who are but in related fields.

The efforts span from California to Eastern Russia and it shows that in today's environment the ability to communicate changed what would have been multi-lifetime efforts into a fast paced move to provide the final answers.

This book is a stark contrast to Watson's Double Helix. The Helix is a strong interplay of personalities; it portrays competitiveness and at times pettiness that is common in certain scientific endeavors. Helix was a true race, a sprint to get DNA right, and a succinct set of observations which became the underpinnings of Svante's efforts.

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