Under The Crust
Three centuries ago, the English scientist Isaac Newton calculated, from his studies of planets and the force of gravity, that the average density of the Earth is twice that of surface rocks and therefore that the Earth's interior must be composed of much…
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More science facts
Biology
Which Came First? The Words or the Melody?
There's good evidence that we're born into the world with an innate understanding of music, and a natural…
Biology
What’s So Different About Ferns?
Most plants reproduce by producing a flower, then seeds. Anthers, considered the male reproductive structure,…
Chemistry
What Makes a Candle Burn?
Have you ever wondered how a candle works? If you haven't, think about it for a while. Why does it take so…
Engineering
Inkjet Printers
At the heart of every inkjet printer, whether it is a color printer or just B&W, there is an ink cartridge…