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Life Itself: Its Origin and Nature

3.8  ·  Rating Details ·  107 Ratings  ·  9 Reviews
Francis Crick, the Nobel Prize-winning biologist and one of the most imaginative writers in the scientific community, addresses the ultimate question: What is the nature of life itself? Includes the first publication of his theory of Directed Panspermia, also known as the "Crick Theory."
Hardcover, 192 pages
Published January 1st 1981 by Simon and Schuster
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Oct 15, 2014 Ramy rated it really liked it  ·  review of another edition
== ريفيو اثناء القراءة ==

لا ازال فى منتصف الكتاب تقريبا .... فهمت بعض الاجزاء و لم افهم اجزاء اخرى ..لكن اعتقد انه يمكننى تبسيط ما فهمته حتى الان:

- الكون شاسع جدا جدا جدا بل يكاد يكون لا متناهى...فى مجرتنا 10 مرفوعة للاس 11 من النجوم و فى الكون كله 10 مرفوعة للاس 11 من المجرات .... بحسبة بسيطة هناك حوالى 180 الف كوكب شبيه للارض لو 0.01 منهم يحتمل وجود حياة بيولوجية عليه ناهيك عن التماثل الجيولوجى و الحرارى و المغناطيسى فذلك يضع امامنا فى النهاية 1800 كوكب متطابق مع الارض و ذو حياة ...فلابد و ان
Jul 05, 2007 Josh rated it really liked it
This book got increasingly better as I read it. It started off uninteresting due to the necessity for Crick to give a general overview of molecular biology. However, by the middle this became an excellent look at the origin of life and how important its understanding is to humanity. While the bits devoted to directed panspermia are a little far-fetched, they are enthralling and ultimately feasible.
Crick writes with the clarity of Dawkins (minus the smirk) and the awe of Sagan. Those are my two f
Feb 07, 2015 Yasser rated it liked it  ·  review of another edition
"بعد كل مرة أكتب فيها بحثا عن موضوع نشأة الحياة،أحلف أنني لن أعود للكتابة فيه مرة أخرى، ذلك أن فيه الكثير من التأمل يجري خلف القليل من الحقائق. لكنني لابد أن أعترف بأن الموضوع له بالرغم من كل شئ سحره حتى ليبدو أنني لن أخلص لقسمي أبدا"
-فرانسيس كريك

- ما هو تعريف الحياة؟ كيف أمكن لمادة كيميائية عضوية أن تكتسب خاصية(الحياة) لتتحول إلى هذا التنوع الخرافي الذي نشهده اليوم في مليارات الأنواع الحية؟
- من أعماق أعماق الخلايا، الDNA والRNA وكيفية تناسخهما والتشفير الجزيئي، إلى تفسيرات (أو محاولات لوضع تفسي
Jan 09, 2013 Sam rated it really liked it
I had recently read a book by James Watson so when I noted this much shorter book by Francis Crick, I could not resist. I'll probably edit this review later since I am doing this off the cuff plus I'll probably re-read it again.

I gave this 4 stars because I believe he presents his case well, though I do not agree with him hardly at all when he starts theorizing.

Clearly this book is a bit outdated since Crick bemoans the inability to determine if planets around other stars exist. The evidence exi
Nov 05, 2014 Marjan rated it really liked it
Shelves: science
This was quite a joy to read. The first chapters are very similar to almost any conventional book on the beginnings of life, but the the author takes a rather surprising turn in offering an idea of the Directed Panspermia. It is an idea that an advanced civilised species would sent bacteria onto other planets in order to spread life around. Although I except the statistical arguments on why spontaneous development of life is so unlikely, I am not entirely convinced that Directed Panspermia is an ...more
Nov 17, 2015 Ahmed rated it liked it  ·  review of another edition
Shelves: science, translated
الكتاب لابد أن
يقرأ بتركيز شديد لأن الكلام علمي بحت كما أن الترجمة ركيكة بعض الشئ .
ما أعجبنى أن ذره أكسچين منذ بداية الخليقة ربما كانت في داخل نجم ما أما الآن فإنها ربما تكون فى خلاياي .
ما لم يعجبنى أن المؤلف يريد إثبات أنه من خلال بعض الذرات البداية و التركيبات البدائية للأحماض النووية RNA تتطورت الحياة فكانت طحالب مثلا ثم بكتيريا وصولا للإنسان .
فالمؤلف أغفل أمر الروح تماما فهى سر من أسرار الله سبحانه و تعالى .
Mar 17, 2013 Pavel rated it it was ok
Much about the standing conditions of life and of biochemistry, many speculations about the past and the future of life. But not a single attempt to define life, to explain how it differs from lifeless matter. It's all about how life works, none about what life itself is.
May 10, 2008 Thumper rated it it was amazing  ·  review of another edition
I love this book!!! Francis Crick (co-founder of DNA and Nobel prize winner 1962) presents his theory concerning the beginning of life and viruses. Carl Sagan wrote "A delight...stimulating and provocative". I'm right there with him! Great brain workout. If life began as a virus, is that why viruses are untamable in our universe? It isn't an easy book to find these days, however, there are still a few used paperbook copies available. I will not lend mine out again...this is the third time I have ...more
Waqas Sarori
يعني طلع اي كلام ، من عند النص خرج لمناقشة كيف ممكن تبدأ الحياة ، بدل من الميكانيزم ، كنت متوقع الكتاب قريب من كتاب "اللولب المزدوج" حق واطسون صاحب كريم الي لحد الان وانا ادور له نسخة ورقية او الكترونية أو مائية
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Francis Harry Compton Crick OM FRS (8 June 1916 – 28 July 2004), was a British molecular biologist, physicist, and neuroscientist, and most noted for being one of the co-discoverers of the structure of the DNA molecule in 1953. He, James D. Watson and Maurice Wilkins were jointly awarded the 1962 Nobel Prize for Physiology or Medicine "for their discoveries concerning the molecular structure of nu ...more
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“An honest man, armed with all the knowledge available to us now, could only state that in some sense, the origin of life appears at the moment to be almost a miracle, so many are the conditions which would have had to have been satisfied to get it going.” 3 likes
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