Here Dr. Markello is showing us this freezer full of nitrogen and "fresh" HPS blood samples. Earlier I'd asked Dr. Markello how it was they could use samples that were so old. I know that you can freeze things like this, but it still amazes me. He explained that they can take a blood sample out of here, thaw it out, and it's as if it had been sitting on the lab bench an hour.
Read the complete post at http://feeds.feedburner.com/~r/LivingOnTheFrontlines/~3/150793856/wow-its-cold-in-there.html