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We’ve all heard the expression “publish or perish” when applied to an academic career. Many universities, for example, require a certain level of publication in scholarly journals in order for an instructor to get tenure. Although Thomas Harriot was not…
There are a few inventions humans have come up with that literally changed our behavior patterns. Probably the first two that come to mind are agriculture and language. We must eat and we must communicate. For thousands of years early…
On December 2, 1942 at 3:25pm the world changed. That was when a team of about 48 scientists led by physicist Enrico Fermi was able to achieve the world’s first sustained nuclear chain reaction. Also important on that fateful day…
What do the numbers 0, 32, 273.15, and 491.67 have in common? They all tell the freezing point of water from liquid to solid, giving us four ways to say the same thing depending on where you are and what…
Several cultures throughout human history have had some form of sun worship. One of the most famous was the worship of Ra (pronounced ray) by the ancient Egyptians. Depicted as a man with the head of a falcon with a…
Water is a contradiction. A molecule of water is made of hydrogen, which is extremely flammable, and oxygen, which although it does not burn by itself, is a great facilitator if fire. Oxygen makes fires burn brighter, and without oxygen,…
Could tree roots and leaves be Another chicken and egg perplexity? Which came first: the flow of carbohydrates from leaf photosynthesis flowing down the inner bark of trees through phloem tissues bringing needed sugars into each of the tree’s cells…
Look! Up in the sky! It’s a wave! It’s a particle! Actually, it’s a quantum of electromagnetic energy that exhibits wave-particle duality that was emitted by an electron that had been disturbed by the hot and high-pressure fusion of a…
For lack of a better term, we call the tiny particles of stuff floating around in the universe dust. We see it when we look at the Milky Way on a clear night or in the Orion nebula in the…
From galaxies to atoms to the cells in your body, the very large is made is made of the very small. We humans are somewhere in the middle of it all. Making up the thinking and moving parts of each…
