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 ...

(via BBC Earth Science) From life after beheading (like the chicken that survived 18 months) and zombie ants to the millions of mites on your face and lakes that turn you to stone, we’re bringing you ...