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Sugar: this white wonder that gives us sweet satisfaction... but at a bitter price. What dangers are lurking in these snow white crystals? Is sugar the new tobacco? Can it really lead to other problems like diabetes? Let's investigate...

Learn the basics of salt and diet when studying the uses of salts within the overall topic of Acids and Bases.

There are so, so many diets out there. Some are low in fat, others are low in carbs. Some involve special foods, others tell you to avoid them. So what's the best diet for you? Watch and learn!

This video explains how ecologists use diagrams to illustrate the feeding relationships between organisms in an ecosystem. It introduces the concept of a food chain and highlights the complexity of natural ecosystems by introducing the...