Profiles the major scientific discoveries of human history, providing information chronicling the developments leading to such discoveries as air flight, evolution, electricity, and nuclear power.
This is a definitive full color guide for young readers. It includes an introduction to rocks, minerals and gems and how they form, how and where to look for them, how to identify rocks and minerals,
From the ever-curious and acclaimed mind that brought you the bestselling Do You Think You're Clever??fifty thousand copies sold worldwide?comes a brand-new trip to the far reaches of the intellectual
Looks at the place of the Earth in the solar system, the development of life, the Earth's changing landscape, environmental issues, and related topics, with corresponding experiments.
Stuff You Need to Know virtually overflows with illustrations and information about 28 activities and objects from everyday life. In fact, the book is so jam-packed that eight gatefolds provide the ex
Presents a collection of unusual facts, secrets, and unsolved mysteries from around the world, from Paris' hidden tunnels, to the mystery of the the Roswell crash site in New Mexico, and to secret doc
With more than 20 million copies sold in 41 languages and more than 88 countries worldwide, DK Eyewitness has been the most trusted series in reference publishing for more then three decades. Visually