Natural sciences

We all know absolute beauty when we see it--skin that glows with health and an outer bearing that projects inner tranquillity. Yet, despite our every effort and expense, few of us know how to achieve it.

A unique mix of art and science, this fresh and visually stunning survey celebrates the extraordinary beauty and diversity of the world’s most controversial plant: Cannabis sativa. Cutting-edge scanning electron microscope images, combined with light micrographs and X-rays, bring this captivating plant vividly to life.

Explore the reaches of your imagination by combining art, craft, and mathematics to create the age-old geometric form of the polyhedra. More than 50 projects use just one center point to create shapes that are folded symmetrically and build upon each other.

In this follow-up to his first book, Folding Polyhedra, Alexander Heinz introduces eight more paper-folding models. Most of these models are easy to assemble from a combination of folded triangles, squares, pentagons, and hexagons, which are assembled in a symmetrical modular way, allowing you to create more than 60 forms by using and combining the different folded-paper models.

Grow Your Own Mushrooms is a beginner's guide to cultivating delicious and medicinal mushrooms at home. Learn step-by-step methods for growing six varieties, troubleshooting, and storing your harvest. Includes cooking tips and recipes to enjoy your mushrooms.

Let us journey into the heart of a black hole. Let us slip beyond its boundary, the horizon, and tumble - on and on - down this crack in the universe. As we plunge, we'll see geometry fold, we'll feel the equations draw tight around us. Eventually, we'll pass it: the remains of a star, deep and dense and falling further far. And then - the bottom. Where time and space end, and th

Learn the purpose of ley lines and ancient megalithic structures located on the grid. Discover how the grid made the Philadelphia Experiment possible. Explore Coral Castle and other mysteries including acoustic levitation, Tesla shields and Scalar wave weaponry.

This book is a readable and affordable collection of Tesla's patents, inventions and thoughts on free energy, anti-gravity, and other futuristic inventions. Covered in depth, often in Tesla's own words, are such topics as wireless transmission of power, death rays, and radio-controlled airships.

In the tradition of The Fantastic Adventures of Nikola Tesla, The Anti-Gravity Handbook and The Free Energy Device Handbook, science and UFO author David Hatcher Childress takes us into the incredible world of Nikola Tesla and his amazing inventions. Tesla's rare article, 'The Problem of Increasing Human Energy with Special Reference to the Harnessing of the Sun's Energy' is included.

The fifteen plates of the Mutus Liber "the Mute Book," are well known, and this book without words is recognized as a classic of the seventeenth-century alchemical tradition. Although the engravings seem to outline an alchemical process in detail, their message is not immediately obvious and it really requires a commentary to make it intelligible to the present-day reader.