Alloys
Water is a clear colorless liquid. So is methanol. If one were to take a quantity of methanol and pour it into some water, the result is also a clear colorless liquid. But this one is something new; a solution, an intimate physical combination of both…
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Medicine
It's Hay Fever Season!
If spring's flying pollen is making you sneeze, you are not alone. Some 40 to 50 million people in the United…
Physics
Does Earth Have Its Own Neon Sign?
You might wonder what the Northern Lights and neon signs have in common. Actually, a lot! What makes luminous…
Geology
You, Graphite and Diamonds
Living things, including you and me, and diamonds, are made of the same substance: the element carbon (C).…
Chemistry
What Is A Mole?
No, it's not the furry little burrowing rodent with the star-shaped nose, from 'Wind In The Willows'... In…