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 ...

And the 'refuse to believe' part in this case is not that they actually don't believe it. It's more that the fact is so outlandish or ridiculous that it just blows their mind.

Do you know how gelatin (jello) is made? Do you know what gelatin was used as before it was food? Watch our latest fun science facts video to find out! Do you know how gelatin (jello) is made? Do you ...