There is so much to be learned and so little time. 🙂 Good morning everyone needing  just a quiet hour or two on Sunday morning to simply grab a cup of coffee or herbal tea in my case, and just read for the sake of learning something new. Here we go: Giant stone spheres — some dating as far back as A.D. 600 — pepper the Diquis Delta of southern Costa Rica. Known locally as Las Bolas (“The Balls”), these monuments were the works of a Pre-Colombian civilization, and most are made from gabbro, a rock that forms from molten magma. The people who carved the stones into their perfectly spherical shapes likely did so using other small stones, according to archaeologists who study the ancient rocks. Many non-experts have speculated that the so-called Diquis Spheres were used for astronomical purposes, while others think they may have pointed the way to significant places. The truth is that no one knows for sure. The Chibchan people who once populated Costa Rica and other parts of Central …