Humans are the only animals to produce emotional tears. In the animal world, humans are the biggest cry-babies, being the only animals who cry because they've had a bad day, lost a loved one, or just don't feel good.
 | A Funny Guide On How To Be A Mountain Biker |
 | Does Running Tone Your Butt? |
 | The 9 Safest Seafood Options |
 | Are You Running Too Much? |
