This post was originally published on this site

http://www.thealternativedaily.com/

Did you know that crying is something only we humans do? And that our eyes can produce more than half a cup of tears in just a few minutes? We cry when we’re sad, but we also cry when we’re happy. Tears even flow when our eyes become irritated. Science hasn’t figured out why we […]

Be Nice and Share!

Filed under: Fitness