yet, they re not a hair cell yet, not a skin cell yet, not a liver cell yet, but what they ve done in the test is manipulate them to become like spinal repair cells, nerve repair cells. and they found in rats if they injected these cells seven days after a spinal injury, and jenna, 12,000 people in the united states get severe spinal injuries every year, most are bruises to the spine, so they thought what if we get cell toss repair these bruises, to protect the nerves before they get permanently damaged? in rats, that worked pretty well. in humans jenna: but where the controversy is, to stop you there, is going back to again where they re getting the stem cells, embryonic stem cells and that s why there s the controversy between the got and whether or not we should use federal fund. brad: i want to talk to that. first of first of all this is privately funded and with all this controversy about federal funding, i ve always maintained if this is going to work, private corporations