Rants, Raves, and Rhetoric v4

Day: October 11, 2013

  • Blue Blood

    One of the many times at the beach as a teen, I recall a horseshoe crab and something blue on the sand near it. Years later I learned their blood is blue. Our blood is red due to hemoglobin which contains iron. Iron binds with oxygen to make rust. Rust is red. So our blood…