Natural sciences

This guide to celestial navigation has been popular ever since it first appeared in 1969. Revised in 1982, Celestial Navigation is a quick, easy, and thorough explanation (with realistically worked problems) of the practice of celestial navigation at sea, using simple and inexpensive equipment. Extracts from the Nautical Almanac and Pub. No. 249. Blank workforms are included.

Acclaimed author Skloot brilliantly weaves together the story of Henrietta Lacks--a woman whose cells have been unwittingly used for scientific research since the 1950s--with the birth of bioethics, and the dark history of experimentation on African Americans.

Exploring the mystery of why so many ancient cultures, separated by time and distance, share remarkably similar cosmological philosophies and religious symbolism, Laird Scranton reveals how this shared creation tradition upholds the idea that ancient instruction gave birth to the great civilizations, each of which preserves fragments of the original knowledge.

Darwin's 'On the Origin of Species' is a book that changed the way we think about the development of life on earth. The text used for this edition was the last to be published during Darwin's lifetime and is considered to be the definitive version.

· Reveals the key travel and communication technologies of the Omniverse: time travel, teleportation, and telepathy · Unveils newly disclosed state secrets about these technologies, about the findings of the NASA Mars rover missions, and about a secret colony and life on Mars · Explains through science how souls are holographic fragments of God and how they help create planets, solar systems, ...

From the creator of the wildly popular xkcd.com, hilarious and informative answers to important questions you probably never thought to ask. Millions visit xkcd.com each week to read Randall Munroe's iconic webcomic. Fans ask him a lot of strange questions: How fast can you hit a speed bump, driving, and live? When (if ever) did the sun go down on the British Empire? When will Facebook contain mo

Stephen Hawking once said that the unanticipated consequences of artificial intelligence will be the greatest threat to humanity's survival. In this book, Dr. Andrew Silverman reveals why the powerful consciousness of the human mind could never be manufactured and so cannot be reproduced with technology.

The Science of Self-Empowerment invites you on a journey beyond Darwin's theory of evolution, beginning with the fact that we exist as we do, even more empowered and connected with ourselves and the world than scientists ever believed possible