Everyone knows that oil floats on water. That鈥檚 because oil is nonpolar, and water is polar. These terms describe the arrangement of charges in their structure: nonpolar means a molecule has no net...
Think of your last card game 鈥� euchre, poker, Go Fish, whatever it was. Would you believe every time you gave the whole deck a proper shuffle, you were holding a sequence of cards which had never...
In the late 1940鈥檚 both Soviets and Americans began investigating the expanse of space by sending animals up, up and away. It began with fruit flies in 1947, grew to include monkeys in 1949 and...
Astronauts inhale oxygen and exhale carbon dioxide, just like you and me. On Earth, where exhaled air warmed by our bodies naturally rises away from us, the possibility of inhaling too much carbon...
I once broke my tooth on some toffee my mom made. Every time I see a beaver, I think of that day and wonder how they can gnaw on trees all day without chipping an incisor when I couldn鈥檛 even...
Pangolins, or scaly anteaters, are amazing little mammals. There are eight species of them, and they are the only living creatures in their order of Pholidota. Spread throughout Asia and Africa,...
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