Ciencia

Within the last one hundred years, the scientific conception of the universe has undergone radical change. As a result a new field has evolved, called “cosmology, ” that examines the philosophical an …

Take the confusion out of chemistry with hundreds of practice problems Chemistry Workbook For Dummies is your ultimate companion for introductory chemistry at the high school or college level. Packed …

This wonderful book taps into a child’s imagination and natural desire for exploration. With fun, innovative tools for children to explore the various parts of human anatomy and the way our biologica …

In a universe as large as this, it would be surprising if earth was the only inhabited planet. Everything we know about cosmology today, suggested that life should be common. Almost certainly some of …

Two established science writers and researchers distill and present the latest and most important information on anatomy and physiology in an easy-to-use, question-and-answer approach. We all have on …

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 dif …

Contemporary physics is not able to determine the true content of the universe. At the present time we do not have clear scientific answers to what are the universe, particle, mass, energy, gravity, …

A complete reference on common health concerns for the aging man The global population is aging, and this important text explores the common health concerns that accompany male aging, particularly th …

A scientific and artistic triumph, Gray’s Anatomy is one of the most iconic anatomical texts ever to be printed. Rediscover the original 1858 text and illustrations republished in this stunning tribu …

Although everyone is familiar with the concept of time in everyday life and has probably given thought to the question of how time began, recent scientific developments in this field have not been ac …