Over the centuries Britain's soil has yielded countless spectacular hoards of ancient coins and other artefacts, affording us priceless insights into our ancestors' lives – and it is not only such large finds that await discovery but also many thousands of individual pieces. Wonderfully, discoveries both minor and momentous are frequently made not by teams of professionals but by amateur archaeologists and metal-detector enthusiasts, for whom this book is intended as a helpful companion. It provides a catalogue of commonly encountered coins, dating from ancient times until the modern day, explaining their historical context, how they might have come to be lost and where they may be found today.
Over the centuries Britain's soil has yielded countless spectacular hoards of ancient coins and other artefacts, affording us priceless insights into our ancestors' lives – and it is not only such large finds that await discovery but also many thousands of individual pieces. Wonderfully, discoveries both minor and momentous are frequently made not by teams of professionals but by amateur archaeologists and metal-detector enthusiasts, for whom this book is intended as a helpful companion. It provides a catalogue of commonly encountered coins, dating from ancient times until the modern day, explaining their historical context, how they might have come to be lost and where they may be found today.
This is the definitive treatment of the phenomenology of galaxies--a clear and comprehensive volume that takes full account of the extraordinary recent advances in the field. The book supersedes the classic text Galactic Astronomy that James Binney wrote with Dimitri Mihalas, and complements Galactic Dynamics by Binney and Scott Tremaine. It will be invaluable to researchers and is accessible to any student who has a background in undergraduate physics. The book draws on observations both of our own galaxy, the Milky Way, and of external galaxies. The two sources are complementary, since the former tends to be highly detailed but difficult to interpret, while the latter is typically poorer in quality but conceptually simpler to understand. Binney and Merrifield introduce all astronomical concepts necessary to understand the properties of galaxies, including coordinate systems, magnitudes and colors, the phenomenology of stars, the theory of stellar and chemical evolution, and the measurement of astronomical distances. The book's core covers the phenomenology of external galaxies, star clusters in the Milky Way, the interstellar media of external galaxies, gas in the Milky Way, the structure and kinematics of the stellar components of the Milky Way, and the kinematics of external galaxies. Throughout, the book emphasizes the observational basis for current understanding of galactic astronomy, with references to the original literature. Offering both new information and a comprehensive view of its subject, it will be an indispensable source for professionals, as well as for graduate students and advanced undergraduates.
Excavations in 2007-8, ahead of an extension to the Bon Accord Centre in Aberdeen, uncovered backlands that would have formed part of the industrial quarter of the medieval town. The excavation charts the changing nature of the area, from an industrial zone in the medieval period, to horticultural and domestic spaces in post-medieval times.
Instant New York Times Bestseller Uncover the evidence-based science to slowing the effects of aging, from the New York Times bestselling author of the How Not to Die series When Dr. Michael Greger, founder of NutritionFacts.org, dove into the top peer-reviewed anti-aging medical research, he realized that diet could regulate every one of the most promising strategies for combating the effects of aging. We don’t need Big Pharma to keep us feeling young—we already have the tools. In How Not to Age, the internationally renowned physician and nutritionist breaks down the science of aging and chronic illness and explains how to help avoid the diseases most commonly encountered in our journeys through life. Physicians have long treated aging as a malady, but getting older does not have to mean getting sicker. There are eleven pathways for aging in our bodies’ cells and we can disrupt each of them. Processes like autophagy, the upcycling of unusable junk, can be boosted with spermidine, a compound found in tempeh, mushrooms, and wheat germ. Senescent “zombie” cells that spew inflammation and are linked to many age-related diseases may be cleared in part with quercetin-rich foods like onions, apples, and kale. And we can combat effects of aging without breaking the bank. Why spend a small fortune on vitamin C and nicotinamide facial serums when you can make your own for up to 2,000 times cheaper? Inspired by the dietary and lifestyle patterns of centenarians and residents of “blue zone” regions where people live the longest, Dr. Greger presents simple, accessible, and evidence-based methods to preserve the body functions that keep you feeling youthful, both physically and mentally. Brimming with expertise and actionable takeaways, How Not to Age lays out practical strategies for achieving ultimate longevity.
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