Instead, ants decide what to do based on the rate, rhythm, and pattern of individual encounters and interactions--resulting in a dynamic network that coordinates the functions of the colony. Ant Encounters provides a revealing and accessible look into ant behavior from this complex systems perspective.Focusing on the moment-to-moment behavior of ant colonies, Deborah Gordon investigates the role of interaction networks in regulating colony behavior and relations among ant colonies. She shows how ant behavior within and between colonies arises from local interactions of individuals, and how interaction networks develop as a colony grows older and larger. The more rapidly ants react to their encounters, the more sensitively the entire colony responds to changing conditions. Gordon explores whether such reactive networks help a colony to survive and reproduce, how natural selection shapes colony networks, and how these structures compare to other analogous complex systems. Ant Encounters sheds light on the organizational behavior, ecology, and evolution of these diverse and ubiquitous social insects.

    All of us can remember a moment as a child when time became a personal reality, when we realized what a "year" was, or asked ourselves when "now" happened. Common sense says time moves forward, never backward, from cradle to grave. Nevertheless, Einstein said that time is an illusion. Nature's laws, as he and Newton defined them, describe a timeless, deterministic universe within which we can make predictions with complete certainty. In effect, these great physicists contended that time is reversible and thus meaningless.

    At the time we were hoping that our approach of writing a book which would be both accessible without mathematical sophistication and portray these exiting new fields in an authentic manner would find an audience. Now we know it did. We know from many reviews and personal letters that the book is used in a wide range of ways: researchers use it to acquaint themselves, teachers use it in college and university courses, students use it for background reading, and there is also a substantial audience of lay people who just want to know what chaos and fractals are about. Every book that is somewhat technical in nature is likely to have a number of misprints and errors in its first edition. Some of these were caught and brought to our attention by our readers. One of them, Hermann Flaschka, deserves to be thanked in particular for his suggestions and improvements. This second edition has several changes. We have taken out the two appendices from the firstedition. At the time of the first edition Yuval Fishers contribution, which we published as an appendix was probably the first complete expository account on fractal image compression. Meanwhile, Yuvals book Fractal Image Compression: Theory and Application appeared and is now the publication to refer to.

    Now, in this lucid and accessibly written book, Philip Ball applies state-of-the-art scientific understanding from the fields of biology, chemistry, geology, physics, and mathematics to these ancient mysteries, revealing how nature's seemingly complex patterns originate in simple physical laws. Tracing the history of scientific thought about natural patterns, Ball shows how common presumptions--for example, that complex form must be guided by some intelligence or that form always follows function--are erroneous and continue to mislead scientists today. He investigates specific patterns in depth, revealing that these designs are self-organized and that simple, local interactions between component parts produce motifs like spots, stripes, branches, and honeycombs. In the process, he examines the mysterious phenomenon of symmetry and why it appears--and breaks--in similar ways in different systems. Finally, he attempts to answer this profound question: why are some patterns universal? Illustrations throughout the text, many in full color, beautifully illuminate Ball's ideas.

    But scientists in the late 20th century have found patterns in things formerly thought to be chaotic; their theories help explain the unstable irregular yet highly structured features of everyday experience. It now seems likely that randomness and chaos play an essential role in the evolution of the living world-and of intelligence itself. Script by Dr. Roger White.

    Gerald Pollack, takes us on a fantastic voyage through water, showing us a hidden universe teeming with physical activity— providing simple explanations for common everyday phenomena, which you have inevitably seen but not really understood.For instance, have you ever wondered…How do clouds made up of dense water droplets manage to float in the sky?Why don’t your joints squeak as they rub together? Why do you sink in dry sand, but not in wet sand?How does capillary action manage to raise water up a 100 foot tree? Why does warm water freeze quicker than cool water?Pollack uses a recent and fundamental scientific finding— EZ water—to help explain these and many other head-scratchers.When touching most surfaces, water transforms itself into so-called EZ (Exclusion Zone) water, also known as structured water or fourth phase water. EZ water, whose formula is H3O2, differs dramatically from H2O. And, there is a lot of it, everywhere.

    It provides a simple mathematical framework which can be used to understand and even design biological circuits. The textavoids specialist terms, focusing instead on several well-studied biological systems that concisely demonstrate key principles. An Introduction to Systems Biology: Design Principles of Biological Circuits builds a solid foundation for the intuitive understanding of general principles. It encourages the reader to ask why a system is designed in a particular way and then proceeds to answer with simplified models.

    Explains how scientists who study complexity are convinced that certain constant processes are at work in all kinds of unrelated complex systems.

    The specialty of these books lies in the fact that to make it easy to study for the students, each chapter has been divided into individual topics with separate questions. The questions in each topic have been arranged as per their marks i.e. 1 Mark Questions, 4 Marks Questions & 6 Marks Questions.The next important feature of the book is that the answers to all the questions have been given according to CBSE Marking Scheme.These books, for sure, will prove to be the most important tool in getting a high end success in CBSE Class 12th Examination.Chapters included in this box set1. Electric Charges and fields2. Electrostatic Potential and Capacitance3. Current Electricity4. Moving Charges and Magnetism5. Magnetism and Matter6. Electromagnetic Induction7. Alternating Current8. Electromagnetic Waves9. Ray Optic and Optical Instruments10. Wave Optics11. Dual Nature of Radiation and Matter12. Atoms13. Nuclie14. Semiconductor Electronics15. Communication System16. The Solid State17. Solutions18. Electrochemistry19. Chemical Kinetics20. Surface Chemistry21. Process of Isolation of Elements22. The P-Block Elements23. The D-and F-Block Elements24. Coordination Compounds25. Haloalkanes & Haloarenes26. Alcohols, Ketons & Carboxylic Acids27. Amines28. Biomolecules29. Polymers30. Chemistry in Everyday Life31. Reproduction in Organisms32. Sexual Reproduction in Flowering Plants33. Human Reproduction34. Reproductive Health35. Principles of Inheritance and Variation36. Molecular Basis of Inheritance37. Evolution38. Human Health and Disease39. Strategies for Enhancement in Food Production40. Microbes in Human Welfare41. Biotechnology : Principles and Processes42. Biotechnology and Its Applications43. Organisms and Population44. Ecosystem45. Biodiversity and Conservation46. Environmental IssuesValue Based QuestionsCBSE Sample Paper

    As they created larger societies, however, inequality rose, and by 2500 BCE truly egalitarian societies were on the wane. In The Creation of Inequality, Kent Flannery and Joyce Marcus demonstrate that this development was not simply the result of population increase, food surplus, or the accumulation of valuables. Instead, inequality resulted from conscious manipulation of the unique social logic that lies at the core of every human group.A few societies allowed talented and ambitious individuals to rise in prestige while still preventing them from becoming a hereditary elite. But many others made high rank hereditary, by manipulating debts, genealogies, and sacred lore. At certain moments in history, intense competition among leaders of high rank gave rise to despotic kingdoms and empires in the Near East, Egypt, Africa, Mexico, Peru, and the Pacific.Drawing on their vast knowledge of both living and prehistoric social groups, Flannery and Marcus describe the changes in logic that create larger and more hierarchical societies, and they argue persuasively that many kinds of inequality can be overcome by reversing these changes, rather than by violence.

    It remains an elementary and non-mathematical introduction to molecular spectroscopy that emphasizes the overall unity of the subject and offers a pictorial perception rather than a mathematical description of the principles of spectroscopy.

    

    Its unique 'Frontiers' chapters cover materials science, nanotechnology, catalysis, and biological inorganic chemistry, and have been fully updated to reflect advances in these key areas of contemporary research and industrial application.

    Nobody is perfect. And that includes five of the greatest scientists in history—Charles Darwin, William Thomson (Lord Kelvin), Linus Pauling, Fred Hoyle, and Albert Einstein. But the mistakes that these great luminaries made helped advance science. Indeed, as Mario Livio explains, science thrives on error, advancing when erroneous ideas are disproven.As a young scientist, Einstein tried to conceive of a way to describe the evolution of the universe at large, based on General Relativity—his theory of space, time, and gravity. Unfortunately he fell victim to a misguided notion of aesthetic simplicity. Fred Hoyle was an eminent astrophysicist who ridiculed an emerging theory about the origin of the universe that he dismissively called “The Big Bang.” The name stuck, but Hoyle was dead wrong in his opposition.They, along with Darwin (a blunder in his theory of Natural Selection), Kelvin (a blunder in his calculation of the age of the earth), and Pauling (a blunder in his model for the structure of the DNA molecule), were brilliant men and fascinating human beings. Their blunders were a necessary part of the scientific process. Collectively they helped to dramatically further our knowledge of the evolution of life, the Earth, and the universe.

    I also hope that it will serve as a useful reference too for the many workers engaged in one type of solid state research activity or another, who may be without formal training in the subject.