This book provides the history of biofuels along with their different uses, their positive and negative characteristics, and how they may impact the future.
En el libro se explica cómo se protege a la población de las inundaciones.
En el libro se explica cómo funcionan la fuerza y el movimiento en el trabajo.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, sus ventajas y cómo se utilizan.
En este libro se resume lo más importante de nuestro Sistema Solar, cómo está conformado y que características tiene cada cuerpo celeste que forma parte del mismo, desde su estrella el Sol y los planetas hasta los más pequeños como los meteoritos.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo físico en este libro con el tema de la electricidad y la luz.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema del espacio.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo físico en este libro con el tema del ciclo del agua.
Learn how structures are being built to withstand nature's destructive forces.
En este libro aprenderás la importancia de llevar especies extranjeras a lugares distintos a su ecosistema original y todos los efectos negativos que pueden causar al ambiente.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de cómo viven y crecen las plantas.
Historia de la NASA, sus antecedentes y distintas etapas que han repercutido en el desarrollo de la ciencia y la tecnología, además de traer influencia positiva para la civilización.
Water plays a vital role in nearly every bodily function, including regulating temperature and removing toxins. Fiber is essential for gastrointestinal health. This compelling book examines how fiber and water work together to help our digestive tracts run smoothly.
Our organs, bones, muscles, skin, and hair either contain or are made of proteins. This engaging title explains how our bodies break down large protein molecules into the amino acids that our bodies need to maintain our muscles, bones, blood, and body organs.
Minerals boost our immune systems, support normal growth and development, and help cells and organs function. This engaging title explores the roles of key minerals, such as calcium, iron, potassium, and magnesium.
We all know that vitamins are necessary for proper growth and good health. But what vitamins do we need and how does our body use them? This informative title identifies essential vitamins and explains how our bodies absorb them.
Even though carbohydrates have been given a bad rap in recent years, they are essential for maintaining good health. This fascinating title examines the chemical structure of carbohydrates and explains the differences between simple and complex carbohydrates.
There is a great deal of fuss about fat! Fat is an essential nutrient for optimal health, however too much fat can lead to health problems. This informative title helps clear up the confusion about this controversial nutrient.
In 1912, German meteorologist Alfred Wegener proposed that the continents were once a single land mass but had slowly moved apart over millions of years. This fascinating book examines the scientific process behind Wegener's theory and how it challenged prevailing views of the time. Learn how years after Wegener's death his theory was embraced by scientists and is now the basis for modern earth science.
Learn how John Dalton developed his influential theory that explains the shape, structure, and behavior of atoms. This title also explores how Dalton's major breakthrough made later discoveries, such as atomic fission, possible.
This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the publication of Darwins theory of natural selection and how the debate continues today.
French chemist Louis Pasteur made several significant contributions to the world of science. This intriguing book examines how Pasteur uncovered the basis of the modern germ theory. Readers will learn how Pasteur's theory helped him develop vaccines for anthrax, rabies, and other diseases and how his work continues to influence modern medicine.
This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.