Moss may seem like a fairly basic organism, but don’t let this fluffy green stuff fool you. For thousands of years, humans have used moss for some pretty awesome things.
Watch next video How many robots does it take to run a grocery store?
Related Videos
Stop robocalls once and for all
Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.