Hemp, Cannabis sativa, has been called the world's most versatile plant. Materials made from hemp fibre have been discovered in tombs dating back to 7000 B.C. During the Middle Ages hemp was used to treat fevers, insomnia and malaria. Columbus's ships had sails of hemp and during colonial times it w[...]
A substantially revised and updated edition of the introductory textbook on cosmology for undergraduates. While designed as the main text for a course given at second- or third-year level, the book is sufficiently self-contained for anyone with school science to understand. There is a strong emphasi[...]
All around the globe this miracle plant is creating industries for food fuel clothing housing and paper that are beneficial to both humanity and the environment. Included in this book are all the most surprising facts written about the plant including how the Declaration of Independence was written[...]
Drawing on exciting discoveries of the last forty years, Night Vision explores how infrared astronomy, an essential tool for modern astrophysics and cosmology, helps astronomers reveal our Universe's most fascinating phenomena - from the birth of stars in dense clouds of gas to black holes and dista[...]
This is the fortieth anniversary edition of John Robinson's classic text. Honest to God is a bracing and engaging call to re-examine outdated and troublesome images of God.[...]