"It is now known that we live in a galaxy with more planets than stars. The Milky Way alone encompasses 30 trillion potential home planets. Scientists Trefil and Summers bring readers on a marvelous experimental voyage through the possibilities of life--unlike anything we have experienced so far--that could exist on planets outside our own solar system. Life could be out there in many forms: on frozen worlds, living in liquid oceans beneath ice and...

"The past few years have seen an incredible explosion in our knowledge of the universe. Since its 2009 launch, the Kepler satellite has discovered more than two thousand exoplanets, or planets outside our solar system. More exoplanets are being discovered all the time, and even more remarkable than the sheer number of exoplanets is their variety. In Exoplanets, astronomer Michael Summers and physicist James Trefil explore these remarkable recent discoveries:...

From plate tectonics to leptons to the first living cell, now you can understand the simple science behind our complex world.

In this forceful manifesto Professor E. D. Hirsch, Jr., argues that children in the United States are being deprived of the basic knowledge that would enable them to function in contemporary society. They lack cultural literacy: a grasp of background information that writers and speakers assume their audience already has. Thus even if a student has a basic competence in the English language, he or she has little chance of entering the American

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