In recent years, the field of radical chemistry has undergone explosive growth. Although its roots lie in organic chemistry, the implications of its findings are having enormous impact in a broad range of disciplines, and we now have evidence for radical involvement in over 100 diseases. As important as this is, however, the subject of...

Discover the origins of some of the most popular drug therapies on the market today, including penicillin, Minoxidil, Viagra®, and "the pill." This guide to drug synthesis and discovery focuses on case histories. Organized by drug category, the...

Acid rain, ozone photochemistry, long-range transport of pollutants, greenhouse gas emissions and aerosols dominated tropospheric air pollution research in the last 30 years of the 20^^ century. At the start of the 2V^ century, acid rain is subject to planned improvement in Europe and North America, but is a growing problem in Asia....

Essential for normal blood coagulation, possible roles in bone, vascular, and tumor metabolism, and a nutrient critical to the health of the newborn infant -- these are just some of the many health-promoting aspects of Vitamin K. Vitamin K in Health and...

The name "random walk" for a problem of a displacement of a point in a sequence of independent random steps was coined by Karl Pearson in 1905 in a question posed to readers of "Nature". The same year, a similar problem was formulated by Albert Einstein in one of his Annus Mirabilis works. Even earlier such a problem was...