Scientific American, the oldest continuously published magazine in the U.S., has been bringing its readers unique insights about developments in science and technology for more than 150 years.

Incorporating the new terms and research compiled in the last few years in this field, The Facts On File Dictionary of Biology, Fourth Edition clearly defines the basic principles and terms used in this widely studied branch of science. Approximately 300 new entries have been added to reflect new information, and current entries and back matter have been revised as needed. Pronuciation symbols have been added, and many photographs have been replaced. Pairing rich content with an accessible format, this science dictionary is ideal for high school and college classrooms and libraries, and will be useful to specialists and laypeople alike.

The Facts On File Dictionary of Earth Science, Revised Edition provides students and general readers with informative definitions in accessible language. More than 3,700 updated and expanded, cross-referenced entries, more than 300 of which are new, cover all aspects of Earth science: geomorphology, stratigraphy, mineralogy, petrology, climatology, oceanography, paleontology, hydrology, geophysics, cartography, surveying, and soil science. Key concepts in physics, chemistry, biology, and mathematics are also defined. Tables at the back of the book include Earth measurements, chemical elements, composition of seawater and the atmosphere, elements in the Earth's crust, meteorological symbols, glacial periods, and more. Topics covered include: Absorption; Earthquake intensity; Hydrology; Lava tube; Nutrients; Radiocarbon dating; Saffir-Simpson Hurricane Scale; and, Weather station.

It's About Time! Science Projects: How Long Doest It Take? by Robert Gardner is a selection of fun and educational experiments for young people, reflecting the central theme of time.
It's About Time! covers measuring time with the Sun; the water clock, the sand clock, the candle clock, the pendulum clock, reaction time, estimating time, and more.
Whimsical color illustrations adorn the practical guidelines for a whole series of worthy science projects.
It's About Time! is confidently recommended as an outstanding educational and enjoyable resource for grade-school aged children and would also be ideal for homeschool curriculum supplementation.

This step-by-step system is based on power principles. Use them to become virtually unstoppable. Learn how to harness the power of purpose…align it with your core values…and achieve a deep, inner sense of strength.

By using these ideas and practicing these principles, everything becomes possible. Your belief in your ability to succeed in all areas of life becomes unshakable. Your life will never be the same, once you learn to practice The Science of Self-Confidence.