Springtime weather brings beautiful flowers, trees and ... dark green, rubbery blobs? If you've spotted any alien-looking, gelatinous globs in your yard, chances are you've stumbled across Nostoc ...

It's bright green, about 13 feet tall and sticks its tongue out at everybody who looks at it. Its name is "Goop," and the sculpture used to live at Magic Carpet Golf, until he was adopted in 2009 ...