Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

Discover interesting facts about how evolution works, the different patterns that can emerge from evolution, how quickly organisms can evolve, and whether evolution is a random or ordered process When ...

Here's some interesting facts for you: How often does the average person blink? What letter of the alphabet doesn't appear in any U.S. state name? What country has more pyramids than any other place ...