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This demonstration reviews the concept of density. It examines why certain objects float or sink in water and highlights some interesting information about cola versus diet cola soft drinks. Click... read more
http://youtu.be/fUot7XSX8uA Snowflakes are infinitely beautiful, but are they infinitely unique? Here's all the science behind Earth's favorite cold crystal. Follow the author on Twitter:... read more
When does the Age of Aquarius begin? And what is the Age of Aquarius? The Age of Aquarius is not part of astronomy. It’s an astrological age, which occurs because of a real motion of Earth known as... read more
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