This morning I have been reading the latest issue of National Geographic (July 2015).  In one of the small half-page features that NG has near the beginning of the magazine there is found the tale of the quagga mussel.  Quagga mussels are a species native to the Ukraine.  They have apparently been hitching rides as stowaways in the ballasts of ocean-going ships and have made their way to the U.S.  Now this invasive species is overrunning the Great Lakes.  The quagga mussels are eating up native algae and changing the entire ecosystem of the Lakes.  You know what I say?  So what? Continue reading →