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National Geographic science of everything : how things work in our world : from cell phones, soap bubbles & vaccines to GPS, x-rays & submarines
\"This book explains the science behind all the machines, gadgets, systems, and processes we take for granted. The perfect book for techies--young or old, male or female--who read Popular Science and Wired or watch \"How It Works\" and \"How It's Made.\"
Book
The tree of knowledge : the bright and the dark sides of science
This text traces the history of science and details two divergent futures: one in which science accelerates the downfall of Homo sapiens and another in which it helps our species engage in a new and positive adventure, whose outcome nobody can know.
Book
Unbelievable science : stuff that will blow your mind
\"From space to technology, the natural world to health and well-being, this fascinating book introduces you to the science behind today's most interesting headlines\"--Back cover.
Book
Powerless science?
In spite of decades of research on toxicants, along with the growing role of scientific expertise in public policy and the unprecedented rise in the number of national and international institutions dealing with environmental health issues, problems surrounding contaminants and their effects on health have never appeared so important, sometimes to the point of appearing insurmountable. This calls for a reconsideration of the roles of scientific knowledge and expertise in the definition and management of toxic issues, which this book seeks to do. It looks at complex historical, social, and political dynamics, made up of public controversies, environmental and health crises, economic interests, and political responses, and demonstrates how and to what extent scientific knowledge about toxicants has been caught between scientific, economic, and political imperatives.
eBook
Timelines of science
\"Follow the story of science year by year with [an] ... illustrated timeline with ... explanations of key scientific theories and concepts; identify the influential thinkers behind revolutionary breakthroughs and discover how they changed the world; trace the development of landmark innovations such as the measurement of time, computers, and mobile communication; see major advances and achievements in their broader context\"-- Provided by publisher.
Book
Taking the metabolic pulse of the world’s coral reefs
Worldwide, coral reef ecosystems are experiencing increasing pressure from a variety of anthropogenic perturbations including ocean warming and acidification, increased sedimentation, eutrophication, and overfishing, which could shift reefs to a condition of net calcium carbonate (CaCO3) dissolution and erosion. Herein, we determine the net calcification potential and the relative balance of net organic carbon metabolism (net community production; NCP) and net inorganic carbon metabolism (net community calcification; NCC) within 23 coral reef locations across the globe. In light of these results, we consider the suitability of using these two metrics developed from total alkalinity (TA) and dissolved inorganic carbon (DIC) measurements collected on different spatiotemporal scales to monitor coral reef biogeochemistry under anthropogenic change. All reefs in this study were net calcifying for the majority of observations as inferred from alkalinity depletion relative to offshore, although occasional observations of net dissolution occurred at most locations. However, reefs with lower net calcification potential (i.e., lower TA depletion) could shift towards net dissolution sooner than reefs with a higher potential. The percent influence of organic carbon fluxes on total changes in dissolved inorganic carbon (DIC) (i.e., NCP compared to the sum of NCP and NCC) ranged from 32% to 88% and reflected inherent biogeochemical differences between reefs. Reefs with the largest relative percentage of NCP experienced the largest variability in seawater pH for a given change in DIC, which is directly related to the reefs ability to elevate or suppress local pH relative to the open ocean. This work highlights the value of measuring coral reef carbonate chemistry when evaluating their susceptibility to ongoing global environmental change and offers a baseline from which to guide future conservation efforts aimed at preserving these valuable ecosystems.
Journal Article