Ever wonder how milk becomes cheese? We asked about the science and the microbes that go into this tasty food. This week on Reactions, we visit St. James Cheese Company in New Orleans to learn all about the chemistry of your favorite dairy product.
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Categories: Gr 9-10 Science
An eruption of cosmic knots at the Big Bang may explain why our universe has three dimensions.Credit: Keith Wood/Vanderbilt We take for granted that we live in a world of three dimensions governed... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/NVxvcS9lJ_I Mr. Key outlines how we use numbers in science, with specific regards to precision and significance. Please note that all questions, comments and critiques are welcome.... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science
Chris Hadfield says the psychological ramifications of being so far from Earth will play a big part in missions to Mars. Some of Canada’s current and former astronauts spoke at an event at the... read more
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