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FOODSTUFF: (1) Proto-Festive Fowl; (2) Cheesy Capsicum Campanelle; (3) Young Soup with Egg and Shrimp; (4) Sweet Tilapia Layer Melt

TWENTY-FIRST CENTURY: (1) Suspects of Interest

Med asks how to calculate Years, Months, Days between two dates. Episode 1113 discusses the elusive DATEDIF function.

Visit Leon the Pendulum (named after the French physicist Jean Bernard L on Foucault). Spanning four stories, Leon appears to rotate once every 48 hours, although it actually swings back and forth in the same place while the Earth turns beneath it.

Learn how to calculate your due date

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn that the range of a given data set is the difference between the largest number and the smallest number in the data set. For example, in the data set {6, 6, 7, 8, 11, 13, 15}, the range is 15 -- 6, which equals 9. The median is the middle number in the data set when the numbers are written from least to greatest. So in the data set above, the median is 8. If there is no middle number in the data set, the median is the average of the two middle numbers. The mode is the number in a data set that appears most often. So in the data set above, the mode is 6.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn that the surface area of a 3-dimensional figure is the sum of the areas of all the faces of the figure. Students are then asked to find the surface area of prisms and pyramids.

Learn how to calculate your due date even before going to see your doctor. Visit www.ThePregnancyShow.com

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn to find the missing side lengths and the missing angle measures in right triangles using sine, cosine, and tangent. Note that a scientific or graphing calculator is required for the problems in this lesson.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn to simplify square roots. For example, to simplify the square root of 16, since 4 squared is 16, the square root of 16 is 4. Note that 16 is a perfect square, so its square root is an integer. To simplify the square root of a number that is not a perfect square, such as 45, first find the prime factorization of the number, in this case 3 times 3 times 5. Next, since the 3's pair up, a 3 comes out of the radical, and since the 5 does not pair up, it stays inside the radical. So the square root of 45 simplifies to 3 times the square root of 5.

To access the complete lesson on this topic, go to www.yourteacher.com. Students learn the formulas for the area and volume of spheres, and are asked to solve problems using these formulas. The word problems in this lesson involve spheres that are melted down and recast as cones or cylinders, the amount of paint needed to cover a hemisphere (half of a sphere), and so on.

To access the complete lesson on this topic, go to http://www.yourteacher.com. Students learn that the formula for the area of a circle is pi times radius squared, so the area of a circle that has a radius of 5 inches is pi times 5 squared, or 25 pi square inches. And since pi = 3.14, 25 pi square inches can also be written as 25 times 3.14, or 78.5 square inches. Note that the radius of a given circle is half the diameter of the circle. So to find the area of a circle with a given diameter, first find the radius of the circle by dividing the diameter by 2.

To access the complete lesson on this topic, go to www.yourteacher.com. Students learn that the circumference of a circle is the distance around the circle, and the formula for the circumference of a circle is 2 times pi times the radius of the circle. Pi is the ratio of the circumference to the radius, which is approximately 22/7 or 3.14. So a circle with a radius of 3 feet has a circumference of 2 times pi times 3, or 6 pi feet. And since pi = 3.14, 6 pi feet can also be written as 6 times 3.14, or 18.84 feet. Finally, note that the radius of a given circle is half the diameter of the circle. So to find the circumference of a circle with a given diameter, first find the radius of the circle by dividing the diameter by 2.

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