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Do animals have feelings and a personality?
Do swans fall in love? Can a great tit be arrogant? How Smart Are Goldfish Really? And can a dog mourn its dead owner? Rudi D'Hooge, professor of biological psychology at KU Leuven, explains in this podcast why answers to those questions are not …
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The order of operations
This is a song to remember the order of operations.
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Trigonometric formulas for the double angle
To much to listen to the formulas for sine, cosine and tangent of the double corner and so better to learn outside.
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