Ricordi di un entomologo book pdf download

Number of Pages : 765
Date of Coming : 2022-08-10
Section : Entomology
book quality : Excellent
Language : Italian
Department : Natural Science
Auther : Jean Henri Fabre
Size of file : 9.95MB

Author: Jean Henri Fabre

About the Author: Jean Henri Fabre, (born Dec. 22, 1823, Saint-Léons, Fr.—died Oct. 11, 1915, Sérignan-du-Comtat), French entomologist famous for his study of the anatomy and behaviour of insects. Largely self-taught, Fabre was appointed a teacher at the lycée of Carpentras, Fr. (1842), was made physics teacher at the lycée of Ajaccio, Corsica (1843–51), and was given a teaching position at the lycée of Avignon (1853). Fabre did important research on the insect orders Hymenoptera (e.g., bees and wasps), Coleoptera (e.g., beetles), and Orthoptera (e.g., grasshoppers, crickets). Based on his observations of the paralyzing actions of wasps in response to stimulating zones in their prey, he described the importance of inherited instinct as a behaviour pattern in insects. In 1866 he isolated from the madder plant a colouring substance, later identified as alizarin, which became useful as a biological stain. He wrote many books to popularize science. Although Fabre never accepted the theory of evolution, his work was respected by Darwin.

Ricordi di un entomologo book pdf download By Jean Henri Fabre

Se si eccettuano api e formiche – che ammiriamo per la loro operosità e organizzazione, ma teniamo comunque alla larga – gli insetti, questi esseri con cui da sempre condividiamo il pianeta, restano per noi degli estranei, il più delle volte fastidiosi e ripugnanti. Eppure, per cambiare il nostro sguardo su di loro, basterebbe aprire a caso una pagina dei Ricordi di Fabre. Quest’opera, che ha aperto la strada a un nuovo modo di intendere lo studio del mondo animale (sino allora relegato dietro le quinte di un museo di storia naturale), è attraversata da una felicità narrativa difficilmente eguagliabile in una trattazione scientifica, e ancora oggi resta uno di quei rari libri che riescono a trasmettere a qualsiasi lettore la passione verso l’oggetto di cui parlano. Perché Fabre era prima di tutto uno scrittore, e nella sua prosa ogni esemplare delle infinite specie da lui osservate – descritto con millimetrica precisione nel corpo e nell’agire – può trasformarsi nel protagonista di un racconto di avventura, a tratti esilarante, che non svela il suo disegno sino alla fine. «Interrogare l’insetto», investigando le ragioni apparentemente insondabili del suo comportamento, è stata la missione della vita di Fabre. E sempre, al cuore di una visione del mondo che ben poco concede al caso (le teorie di Darwin non lo turbarono, mentre Darwin dichiarò la sua ammirazione per lui), rimane l’istinto: questo dono «perfetto fin dall’origine», che detta la misura delle cose. Prefazione di Gerald Durrell.

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Social Life in the Insect World book pdf download

book quality : Excellent
Department : Natural Science
Section : Entomology
Auther : Jean Henri Fabre
Size of file : 1.35MB
Number of Pages : 334
Date of Coming : 2022-08-10
Language : English

Author: Jean Henri Fabre

About the Author: Jean Henri Fabre, (born Dec. 22, 1823, Saint-Léons, Fr.—died Oct. 11, 1915, Sérignan-du-Comtat), French entomologist famous for his study of the anatomy and behaviour of insects. Largely self-taught, Fabre was appointed a teacher at the lycée of Carpentras, Fr. (1842), was made physics teacher at the lycée of Ajaccio, Corsica (1843–51), and was given a teaching position at the lycée of Avignon (1853). Fabre did important research on the insect orders Hymenoptera (e.g., bees and wasps), Coleoptera (e.g., beetles), and Orthoptera (e.g., grasshoppers, crickets). Based on his observations of the paralyzing actions of wasps in response to stimulating zones in their prey, he described the importance of inherited instinct as a behaviour pattern in insects. In 1866 he isolated from the madder plant a colouring substance, later identified as alizarin, which became useful as a biological stain. He wrote many books to popularize science. Although Fabre never accepted the theory of evolution, his work was respected by Darwin.

Social Life in the Insect World book pdf download By Jean Henri Fabre

Fabre had many scholarly achievements. He was a popular teacher, physicist, chemist, and botanist. However, he is probably best known for his findings in the field of entomology, the study of insects, and is considered by many to be the father of modern entomology. Much of his enduring popularity is due to his marvelous teaching ability and his manner of writing about the lives of insects in biographical form.;Cover; Title Page; Copyright Page; Table of Contents; The Fable of the Cigale and the Ant; The Cigale Leaves its Burrow; The Song of the Cigale; The Cigale. The Eggs and Their Hatching; The Mantis.-The Chase; The Mantis.-Courtship; The Mantis.-The Nest; The Golden Gardener.-Its Nutriment; The Golden Gardener-Courtship; The Field-cricket; The Italian Cricket; The Sisyphus Beetle.-The Instinct of Paternity; A Bee-hunter: the Philanthus Aviporus; The Great Peacock, or Emperor Moth; The Oak Eggar, or Banded Monk; A Truffle-hunter: the Bolboceras Gallicus; The Elephant-Beetle.

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عجائب الفيزياء: ألغاز ومفارقات وغرائب book pdf download

Size of file : 5.23MB
Date of Coming : 2022-08-10
Language : Arabic
Department : fields
book quality : Good
Number of Pages : 430
Section : Puzzles
Auther : One of the physicists

Author: One of the physicists

عجائب الفيزياء: ألغاز ومفارقات وغرائب book pdf download By One of the physicists

في هذا الكتاب، يصطحبنا الخبيران العِلميان كريستوفر يارجودسكي وفرانكلين بوتر في رحلة نستكشف فيها غرائب عالم الفيزياء؛ رحلة نجد فيها إجابات على المئات من الألغاز المحيرة. ستكتشف بعد قراءتك للكتاب لماذا يسهل انتقال الصوت فوق سطح الماء (خاصة في فصل الصيف)، وكيف يمكن رفع فأر في مجال مغناطيسي، وسبب أهمية الدوران الخلفي عند التصويب في كرة السلة، وما إذا كانت النساء في نفس قوة الرجال حقًّا. يقدِّم هذا الكتاب — الذي يضم ما يقارب ٤٠٠ سؤال وإجاباتها بشأن كل شيء، بدايةً من سيارات السباق إلى البراغيث المتقافزة والفيلة المختفية — مجموعة من الغرائب والمفارقات التي من شأنها أن تكون مصدر تسلية وتحدٍّ حتى لأذكى محبي العلم. وسواء أكنت عالِم فيزياء أم شخصًا عاديًّا يرغب في تحسين قدراته العقلية، ستصحبك هذه المجموعة من التحديات الفيزيائية المثيرة والغريبة في رحلة فائقة الإمتاع تكشف لك عن مدى ارتباط الفيزياء بشتى مناحي حياتنا اليومية.

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موسوعة ألغاز المنطق والرياضيات والاستنتاج book pdf download

Department : fields
Date of Coming : 2022-08-10
Language : Arabic
Size of file : 12.6MB
Auther : One of the mathematicians
book quality : Good
Section : Puzzles
Number of Pages : 50

Author: One of the mathematicians

موسوعة ألغاز المنطق والرياضيات والاستنتاج book pdf download By One of the mathematicians

موسوعة ألغاز المنطق والرياضيات والاستنتاج تتكون هذه الموسوعة من 641 لغزاً متنوعاً من ألغاز الذكاء والمنطق بدرجات مختلفة تبدأ من السهل إلى الصعب جداً، وأغلب هذه الألغاز قديمة ومشهورة جداً في التاريخ الإنساني، ولأهميتها قرر المؤلف جمعها في كتابٍ واحدٍ بعد أن أعاد صياغتها بثوب جديد، وطور بعضها بشكل مناسب، وكتب حلول معظمها بالتفصيل، لأن اغلب الكتب اكتفت بالإجابات فقط، وبالإضافة إلى ذلك فقد ساهم في تأليف عدد من ألغاز المنطق والاستنتاج المحببة إليه، وأدرجها أيضاً مع هذه المجموعة.

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ألغاز نحوية book pdf download

Language : Arabic
Size of file : 1.45MB
Auther : Unspecified writer
Section : Puzzles
Date of Coming : 2022-08-10
Number of Pages : 144
Department : fields
book quality : Good

Author: Unspecified writer

ألغاز نحوية book pdf download By Unspecified writer

الحمد لله الذي حفظ لغتنا العربية من التهديم ، وذلك بما جاء به من القرآن العظيم ، المنزل على واسطة العقد النظيم ، سيدنا محمد عليه افضل الصلاة والتسليم . ثم الصلاة والسلام على أفضل الخلق أجمعين ، وعلى آله وصحبه المفضلين بإحسان إلى يوم الدين . اما بعد كتاب « الألغاز النحوية » لمؤلفة الإمام جمال الدين أبي محمد عبد الله بن هشام بن يوسف الأنصاري ، من أهم وأعظم الكتب التي تناولت هذا اللون من الغموض النحوي ، وعلى الرغم من صغر حجمه ، فقد طرق معظم الأمور التي قد تفيد الباحث في معرفة مستعجمها وغرابة لفظها ، وغموض معانيها . ولقد ولع العرب منذ القديم ، بهذا اللون ، وقد تفرع إلى فرعين أساسيين : ١- الألغاز النحوية : وهي التي تصيب الناحية الإعرابية للجمل والكلمات والألفاظ ، كرفع المنصوب ، ونصب المرفوع ، وغير ذلك من العلامات الإعرابية ، من مثل « لقد قال عبد الله … » و « أقول لخالدة …. ۲ – الألغاز الشعرية : وهي تعد كأحاجي يستعملها الشعراء والبلغاء لوصف شيء ما دون ذكر اسمه ، وفي عصر ابن هشام نشط مثل هذا ، ومثال ذلك قوله : « أكله النهار .. » فقد يستغرب القاريء لأول وهلة ، كيف يأكل الإنسان النهار ثم لا يلبث أن يزول هذا الغموض عندما نرى أن النهار ها هنا يقصد به فرخ الحباري وهو نوع من الطيور . وقد صنف المتقدمون من النحاة تصانيف عدة حول هذا الموضوع ، فكتب الأصمعي كتابة أسماه « معاني الشعر » ، وكذلك الف ابن قتيبة « معاني الشعره ، وابن دريد الأزدي « الملاحن » وغير ذلك الكثير .

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فوازير وألعاب ألغاز ومسابقات book pdf download

Date of Coming : 2022-08-10
Language : Arabic
Number of Pages : 66
Size of file : 4.92MB
book quality : Good
Section : Puzzles
Auther : Abdul Rahman Bakr
Department : fields

Author: Abdul Rahman Bakr

About the Author: First place winner in the “Book Authority” competition, “Suzan Mubarak” for writing and drawing children’s books for the year (2001) for the Story Box series.
Member of the Egyptian Writers Union.
Member of the Egyptian Caricature Association.
Member of the Egyptian Society of Animation
He was honored at the Center for maximizing the campus for his role in writing and drawing historical scenarios
He was honored at Tanta University, Kindergarten Department, for his contributions to it.
He gave a lecture at the Egyptian Writers Union: on the role of the children’s writer in developing with the child’s mind in our rapidly changing world.
He gave several lectures at the Nile River Cultural Center on the history of satirical journalism and the era of magical kings
Previous works: Painter of the Kuwaiti newspaper Al-Seyassah “The Kuwaiti Al-Hadaf newspaper” until 1993
Saad magazine office official in Cairo from 1993 to 1995, then a follower of Bassem magazine’s work in the Middle East newspaper until 2004
Painter and author of most children’s magazines in the Arab world. He also drew many educational curricula at the Curriculum Development Center.
He drew more than a thousand children’s books for a large number of governmental, private and Arab publishing houses
He authored and illustrated the Encyclopedia of Science for Children, which is in ten volumes.
He wrote the script for 15 episodes of the cartoon series “Quran Stories”, which was produced by Matrix Company and was shown on most Arab channels.
He has authored works
The warrior sculptor’s novel
Cambyses and the brown flower
The Adventures of a Rumble Captain
Anecdotes without regrets “a rare funny compilations folder”
He has several studies in the satirical press, including some books, such as:
“Bakouka and the History of the Satirical Press in Egypt” “A Documentary Book.”
Abu Buthaina, the poet who frightened my longing
In press “Humour and Idiocy” a study of a rare magazine published in 1926
The era of the kings of irony.. A study of the Egyptian satirical newspapers and magazines during the past 130 years.

فوازير وألعاب ألغاز ومسابقات book pdf download By Abdul Rahman Bakr

القاهرةالطبعة الأولى 1421هـ – 2001م

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xnxnxnxn cube algorithms book pdf download

Auther : Unspecified writer
Size of file : 0.12MB
Department : fields
book quality : Excellent
Language : English
Date of Coming : 2022-08-22
Number of Pages : 17
Section : Puzzles

Author: Unspecified writer

xnxnxnxn cube algorithms book pdf download By Unspecified writer

Can you solve Rubik’s Cube? If the answer is yes, do you want to become faster at it? The “Rubik’s Cube Best Algorithms” teaches you the hacks you need to solve Rubik’s Cube quickly and confidently, creating solid blocks of each color, even if you have never solved the puzzle before. The brightly colored, three-dimensional puzzle invented in 1974 by Ernö Rubik reached its first peak of popularity in the 1980s. It is now a favorite puzzle for speedcubers, who compete to see who can solve the twisty challenge the fastest.
Daniel Ross spent hundreds of hours studying the fastest, easiest methods used by world champions and other top players. With photos and step-by-step instructions, the author walks you through the top five methods for solving the puzzle quickly and the finger tricks used by champion speed solvers.
The book includes:-The history of Rubik’s Cube and the reasons for its popularity,-The math permutations involved in solving the cube,-The easiest and quickest method for beginners,-The advanced Fridrich Method,-The advanced Roux Method,-The advanced ZZ Method,-The advanced God’s Number Method,-An explanation of how the game improves your brain’s activity level,-The finger tricks that can help you become a speedcuber, Much, Much More!

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جحا والسلطان book pdf download

book quality : Good
Date of Coming : 2022-08-10
Number of Pages : 19
Department : literature
Language : Arabic
Auther : Ahmed Bahjat
Section : Narrations and stories of children
Size of file : 14.3MB

Author: Ahmed Bahjat

About the Author: A famous Egyptian writer and journalist, born in Cairo, married with two sons. He obtained a Bachelor of Laws from Cairo University, and held the following positions: Journalist in Akhbar Al-Youm newspaper (1955) Journalist in Sabah Al-Khair magazine (1957) Journalist in Al-Ahram newspaper (1958) Chairman of the Board of Directors and Editor-in-Chief of Radio and Television Magazine (1976) Deputy Editor-in-Chief for Technical Affairs in Al-Ahram Newspaper Since (1982). Among his books: Memoirs of a Husband, Memoirs of a Fasting Prophet of God

جحا والسلطان book pdf download By Ahmed Bahjat

تحميل كتاب جحا والسلطان pdf الكاتب أحمد بهجت رقم (3) من سلسلة “جحا” المكونة من ثلاثة أعداد. بقلم: أحمد بهجت ريشة: مصطفى حسين

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غراب قابيل وهابيل book pdf download

Size of file : 1.16MB
Section : Narrations and stories of children
Date of Coming : 2022-08-10
Language : Arabic
Number of Pages : 15
book quality : Good
Auther : Ahmed Bahjat
Department : literature

Author: Ahmed Bahjat

About the Author: A famous Egyptian writer and journalist, born in Cairo, married with two sons. He obtained a Bachelor of Laws from Cairo University, and held the following positions: Journalist in Akhbar Al-Youm newspaper (1955) Journalist in Sabah Al-Khair magazine (1957) Journalist in Al-Ahram newspaper (1958) Chairman of the Board of Directors and Editor-in-Chief of Radio and Television Magazine (1976) Deputy Editor-in-Chief for Technical Affairs in Al-Ahram Newspaper Since (1982). Among his books: Memoirs of a Husband, Memoirs of a Fasting Prophet of God

غراب قابيل وهابيل book pdf download By Ahmed Bahjat

تحميل كتاب غراب قابيل وهابيل pdf الكاتب أحمد بهجت “قابيل.. ماذا فعلت بأخيك هابيل؟!” بهذه الكلمات نعقت الغربان الطائرة في فضاء أول جريمة في التاريخ، ومازلنا نردد وراءها ذات المعنى.. “قابيل ماذا فعلت بأخيك هابيل؟!”.. يمكن للجميع أن يرددها.. الكل للكل.. ولكن قد يساعدنا على الإجابة الصحيحة أن نتعرف على القصة من أساسها، عندما نقرأ من البداية عن قابيل وهابيل.. الأخوان، ولكن هذه المرة نقرأها لأطفالنا وصغارنا.. عن الغراب ذلك الذي كان له دور رئيسي في تلك الحادثة الفارقة في سجل التاريخ.. فهذا الكتاب يحمل بالرسم كما يحمل بالكلمات معاني كثيرة.. أكثر بكثير مما حمل من كلمات، عندما يقص علينا هذه القصة من سلسلة أحسن القصص وقد أبدعها وأعدها القلم الكبير (أحمد بهجت) ورسمها مبدع كبير أيضًا هو حلمي التوني.. لتتناسب تلك المعاني الكبيرة مع تلك العقول البريئة.

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نبأ ابني آدم والغراب book pdf download

Size of file : 1.66MB
Date of Coming : 2022-08-10
Language : Arabic
Auther : Ahmed Bahjat
Section : Narrations and stories of children
Number of Pages : 13
book quality : Good
Department : literature

Author: Ahmed Bahjat

About the Author: A famous Egyptian writer and journalist, born in Cairo, married with two sons. He obtained a Bachelor of Laws from Cairo University, and held the following positions: Journalist in Akhbar Al-Youm newspaper (1955) Journalist in Sabah Al-Khair magazine (1957) Journalist in Al-Ahram newspaper (1958) Chairman of the Board of Directors and Editor-in-Chief of Radio and Television Magazine (1976) Deputy Editor-in-Chief for Technical Affairs in Al-Ahram Newspaper Since (1982). Among his books: Memoirs of a Husband, Memoirs of a Fasting Prophet of God

نبأ ابني آدم والغراب book pdf download By Ahmed Bahjat

تحميل كتاب نبأ ابني آدم والغراب pdf الكاتب أحمد بهجت كما امتع الكاتب الكبير “أحمد بهجت” الكبار بمؤلفاته الدينية وغيرها.. وكما انه كتب وألف في أنبياء الله عليهم السلام أجمعين، عاد إلى الصغار.. براعم المستقبل يحمل إليهم سلسلة مبسطة في أسلوبها وممتعة في قراءتها واضحة الافكار والمعاني، استقاها من قصص القرآن الكريم .. أروع القصص.. وعنا بكل واحدة منها على حدة ، فهذه قصة صاحب الجنتين وهذه قصة ذو القرنين.. وتلك أصحاب الفيل وغيرها مما يقص علينا فيها بأسطر قليلة ما حدث في الأزمان البعيدة، وقد صاحبتها رسومات جميلة بريشطة الفنن الكبير” مصطفى حسين” فاكتملت الباقة التى تمتع العقل والعين معا. إنها قصص قرانية تملا قلوب الصغار بالايمان ومعرفة الدين الحق وتنمي خيال الاطفال وثقافتهم ووعيهم.. فهلموا إلى مائدة القرآن فإنها لا تنضب دررها.

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