10 Surprising Uses for Coffee That Don’t Involve Drinking It

(via Mental Floss) For the people who manage to make it through each day without tossing back cup after cup of Mother Nature’s deliciously bitter bean water, coffee might seem totally useless. And even if you do run on java, you may not realize how useful those leftover grounds can be. From fertilizing your garden to making boxed brownies taste homemade, here are 10 ways to make the most of coffee without drinking a drop.