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How do scientists understand the chemical composition of our universe, study it's age and determine the reactive processes constantly taking place ...
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Physics is frequently one of the hardest subjects for students to tackle because it is a combination of two of the toughest subjects for most stude...
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The Geography Tutor series targets specific and critical areas of geographic knowledge and provides students with an easy to understand visual pres...
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The Mexican free-tailed bat is one of the most abundant mammals in North America. Outside of San Antonio, Texas there is a cave that is home to ove...
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Visible light, which can be seen with our eyes, comprises a small sliver of the electromagnetic spectrum. The rest of the spectrum, from short wave...
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Discover how six essential areas of science affect our lives through live-action footage and engaging graphics which guide students on an easy to f...
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The Award-Winning, Tell Me Why series based on the books by Arkady Leokum, gives informative and easy to understand answers to the many types of qu...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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This series covers essential subjects in Trigonometry and Pre-Calculus with exceptional clarity so that students will feel well prepared to move on...
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Automobiles have evolved in many ways over the years, with increasing fuel economy, reliability, handling, and comfort. However, automobile manufac...
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The great grandson of a slave, Thurgood Marshall was born in Baltimore, Maryland, on July 2, 1908. At the age of 25, Marshall graduated first in hi...
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The spinal cord has fascinated scientists for centuries. The ability to walk is engineered by the spinal cord and the spinal column. This program...
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The human brain is often compared to a computer. Both receive input, process information and produce output. However the three-pound organ inside...
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This program covers the important topic of the Binomial Theorem in Algebra. We begin by discussing what the Binomial Theorem is and why it is impo...
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Scientists have been debating the planetary designation of Pluto ever since it was discovered in 1930. In this program, students are given a firsth...
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Alternative energy sources are being researched and developed to improve efficiency and reduce costs. Fluctuating costs of oil, coal and natural ga...
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The skin is the largest human organ. Take a close look at the epidermis, which provides the first line of defense against the outside world and de...
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