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There's a silent epidemic in western civilization, and it is right under our noses. Our jaws are getting smaller and our teeth crooked and crowded, creating not only aesthetic challenges but also difficulties with breathing. Modern orthodontics has persuaded us that braces and oral devices can correct these problems. While teeth can certainly be straightened, what about the underlying causes of this rapid shift in oral evolution and the health risks posed by obstructed airways? Sandra Kahn and Paul R. Ehrlich, a pioneering orthodontist and a world-renowned evolutionist, respectively, present the biological, dietary, and cultural changes that have driven us toward this major health challenge. They propose simple adjustments that can alleviate this developing crisis, as well as a major alternative to orthodontics that promises more significant long-term relief. Jaws will change your life. Every parent should read this book.

Jaws --- Malocclusion. --- Occlusion (Dentistry) --- Orthodontics --- Teeth --- Prognathism --- Jaw apparatus --- Masticatory apparatus --- Craniology --- Facial bones --- Head --- Mouth --- Health aspects. --- Abnormalities. --- Abnormalities --- Abnormities and deformities

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Sustainable development. --- Consumption (Economics) --- Overpopulation. --- Social justice. --- Equality --- Justice --- Population explosion --- Population --- Consumer demand --- Consumer spending --- Consumerism --- Spending, Consumer --- Demand (Economic theory) --- Development, Sustainable --- Ecologically sustainable development --- Economic development, Sustainable --- Economic sustainability --- ESD (Ecologically sustainable development) --- Smart growth --- Sustainable development --- Sustainable economic development --- Economic development --- Environmental aspects

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As fascinating as they are beautiful, butterflies are a pleasure to watch and an important group of invertebrates to study. This second edition of the award-winning book The Complete Field Guide to Butterflies of Australia is a fully updated guide to all butterfly species on Australia's mainland and remote islands. Written by one of Australia's leading lepidopterists, the book is stunningly illustrated with colour photographs, many of which are new, of each of the 435 currently recognised species. There is also a distribution map and flight chart for each species on the Australian mainland, together with information on similar species, variation, behaviour, habitat, status and larval food plants. The introduction to the book covers adult structure, higher classification, distribution and habitats, as well as life cycle and behaviour. A new chapter on collecting and preserving butterflies is included. There is also an updated checklist of all species, a glossary, a bibliography and indexes of common and scientific names.

Butterflies --- Lepidoptera diurna --- Rhopalocera --- Lepidoptera

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"This timely collection of 15 essays addresses the relationships between human population growth (and consumption); the need to increase food supplies to feed the world population, and the chances for avoiding the extinction of a major proportion of the biodiversity that collectively makes our survival on earth possible. Those relationships are highly intertwined, and changes in each of them are increasingly blocking our chances to achieve environmental stability on our fragile planet"--

Food security.