In a useful and straightforward study, Lasse A. Kivioja, professor emeritus of Geodetic Sciences at Purdue University, provides a model of the universe intended to educate anyone interested in understanding the Earth’s place in the... Read More

In his recent bestseller, Shadows in the Sun, ethnobiologist Wade Davis includes an unsettling theory from Harvard biologist E.O. Wilson. Wilson asserts that this past century will be remembered not for its wars or technological... Read More