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Merlin, Gandalf, Voldemort - these well-known sorcerers from popular culture are famed for their amazing spells and spectacular magical powers. In ancient times however, a wizard was actually a freelance intellectual whose main stock in trade was good advice, supported by a thorough education in agriculture, navigation, political and military science, languages, commerce, mathematics, medicine, and the natural sciences - in essence, the true Renaissance man.

We all witness, in advertising and on supermarket shelves, the fierce competition for our food dollars. In this engrossing exposé, Marion Nestle goes behind the scenes to reveal how the competition really works and how it affects our health. The abundance of food in the United States--enough calories to meet the needs of every man, woman, and child twice over--has a downside. Our overefficient food industry must do everything possible to persuade people to eat more--more food, more often, and in larger portions--no matter what it does to waistlines or well-being.

Retaining an inquiry-based approach to learning, the Second Canadian Edition of Physical Geology & The Environment by Plummer et al incorporates the rich geology of Canada with elaborate examples throughout the text, as well as an entire chapter focusing on the geological history of Canada. Because the discipline of geology holds vital importance in the economic, social, and political realms of Canada, detailed references to Canadian examples have been updated and incorporated into this new edition.

The most trusted general chemistry text in Canada is back in a thoroughly revised 10th edition. "General Chemistry: Principles and Modern Applications" is recognized for its superior problems, lucid writing, precision of argument, and precise and detailed treatment of chemistry. Its innovative pedagogical features, which encourage students to understand, apply, and synthesize content, reinforce the principles of general chemistry and provide the ideal platform for later studies.

Every day, we are beset by millions of sounds-ambient ones like the rumble of the train and the hum of air conditioner, as well as more pronounced sounds, such as human speech, music, and sirens. But how do we process what we hear every day? This book answers such revealing questions as:

Why do we often fall asleep on train rides or in the car, and what does it have to do with hearing?

What is it about the sound of fingernails on a chalkboard that makes us cringe?

Why do city folks have trouble sleeping in the country, and vice versa?

The classic personal account of Watson and Crick’s groundbreaking discovery of the structure of DNA, now with an introduction by Sylvia Nasar, author of A Beautiful Mind.

Caltech physicist and author Sean Carroll offers listeners this profile of the Large Hadron Collider and the search for the mysterious Higgs boson particle, the subatomic building block that imbues elementary particles with mass. Carroll chronicles how such a complex project got off the ground in the first place and explains why this discovery is so important, and what it means for the future of physics.

Presents alphabetically arranged entries on stars, galaxies, and constellations, based on observations of the sky at night.

Describes how scientists tracked, studied, and escaped the Komodo dragon and tells the true story of the world's deadliest lizard.

Follows Dr. Alex Fillippenko and his High-Z Supernova Search Team as they use the Keck telescope in Hawaii to look for supernovae, find black holes, and study the effects of dark energy.