One of these three irons is the one owned by Mary Jo Coady, and is supposed to have an image of Jesus on it. Can you tell which one it is?
Other scientists pointed out that previous iron fertilization experiments had shown some carbon sequestration, but that was only at a rate of one to two percent of the carbon involved in the process.
I can’t think what this old iron ball hiding two inches under the grass behind my house might have been made for. The only possibility I can think of is that it’s some kind industrial ball bearing – but what kind of machine would use a ball bearing of this size, and what would have brought it so close to a house?