Nature is a weekly international journal publishing the finest peer-reviewed research in all fields of science and technology on the basis of its originality, importance, interdisciplinary interest, timeliness, accessibility, elegance and surprising conclusions. Nature also provides rapid, authoritative, insightful and arresting news and interpretation of topical and coming trends affecting science, scientists and the wider public.

The major focus of the journal is publishing important original scientific research and research reviews, but Science also publishes science-related news, opinions on science policy and other matters of interest to scientists and others who are concerned with the wide implications of science and technology. Unlike most scientific journals, which focus on a specific field, Science and its rival Nature cover the full range of scientific disciplines.

Biology Today supplies the essential material such as important texts, sample papers, previous years’ papers, flowcharts and memory tips required for achieving success in pre-medical exams. Biology Today is committed to improving the quality of science education, enhancing students' interest in science, fostering their analytical ability and, most importantly helping thousands of young engineering and medical aspirants to become successful professionals – their cherished dream.

In this new revised edition, we journey through the Milky Way, our home galaxy and explore the violent surface of our star, the Sun. You will find out all about the ongoing search for extra terrestrial life, and discover the real science of interstellar space travel which has inspired science fiction and fired the imaginations of many.

The study of materials and their properties forms an important area of research. Christopher Hall introduces the field of material science using gold, sand, and string - familiar things that represent the big families of metals, ceramics, and polymers. By explaining their properties, how materials are created, and the processes involved in their fabrication into objects, he shows how materials science brings together engineering and technology with physics, chemistry, and biology. He also shows how materials influence communications, the media, architecture, building, and the fine arts.