The multiple uses of coffee grounds

[Montero]

A link from the previous coffee article

Six things you can do with coffee – after you’ve finished drinking it

Don’t throw out your used coffee grounds. They could be used in the garden, an engine or even a research lab.

theconversation.com

 

[Cthulhu.Science]

A link from the previous coffee article

Six things you can do with coffee – after you’ve finished drinking it

Don’t throw out your used coffee grounds. They could be used in the garden, an engine or even a research lab.

theconversation.com

The "YOU" in the title of the article is pretty generous.

#5 Soaking up heavy metals​

Yeah, I'll get right on that.