posted on Mar, 30 2012 @ 04:13 PM
I promise you its calcium. See they have been studying this planet and our ability to absorb calcium in our bones. They seem to not have this ability
due to zero gravity in space. Most calcium absorbed in thier body goes directly to brain tissue. They have to have large amounts of calcium in order
to efficently absorb calcium in thier bones. They have watche us hear on earth and have viewd our process of protecting bones of our ancestors inside
of large boxes placed under ground and even our process of collecting animal and dinosaur bones for displays in museums and find it is a precious item
to people on earth. They have been studying cows on regular basis because they believe this is our source on earth for most of our calcium and they
want to learn how to reproduce calcium for themselves by learning from us.