Mason Crest Publishers

Questions and answers about whales and dolphins.

"The history of the people of Central and South America is split between the centuries before and after the arrival of Europeans. Prior to that time, vast civilizations lived and thrived in the rainforests, mountains, and deserts of these diverse lands. Since the arrival of Europeans, the nations have taken on a mixed nature that tries to bring the best and strongest of the old and blend it with aspects of the modern. Inside, meet the people who created...

"Gazing at the night sky full of stars has been a fascination for human beings for ages. The sun, the moon, and the stars have guided several phenomena that affect our lives. They have helped in navigation, occurrence of tides, have been a part of our myths and religions, and are a source of light and energy on the earth. From the human eye, life outside the earth seems so small but it was later realized that the earth is just a small part of this...

"Electronics is a branch of physics that deals with the study, development, and application of electronic components and devices. Electronics have changed our way of life and play an important role in the lives of human beings. From objects as small as a microprocessor to as large as a satellite, electronics have touched every sphere of life. Although most of electronic components are very small, they have important applications. The discovery of...