. >> reporter: this is video from a recent scuba diving trip in the kamens. two doctors went underwatt he with ten paraplegic veterans to study what effect if any scuba diving could have on the mind and body of spinal cord injuries. >> we're very excited about the idea that this is a pilot study, it's not going to be a definitive study it from their preliminary data, it looks like there is something. >> they're pioneering the study at the request of this young lady. she was diagnosed with a disease that rendered her paralyzed. cody learned to dive and quickly discovered something amazing about her body. >> it was on our second dive on our first trip when i was getting certified that i noticed after coming up, that my bladder, i started feeling my bladder more. any spasms, my legs, everything was a greater sensation. >> reporter: the doctors had to learn how to dive. they went to the maximum depth of 60 feet with the veterans. >> when you go down there, many of your gases within your blood start changing. so you get an increase in oxygen into your tissues. >>

we call this a small cap, kamen -- and it can be used for small projects between 25,000 or 50,000 square feet of space. the remainder of the annual replenishment goes into the large cap, which is projects with more than 50,000 square feet of office space. one thing of particular note here is that the unused square footage in both the small and large caps -- this carries over from year to year. so in bad economic times, there can be a substantial accumulation of unallocated office space. quick word about how we got here, the history of the annual limit, the program did come to be as a result of the department's 1985 downtown plan. at the time, it did apply only to projects with more than 50,000 square feet. it also had a specific expiration date just a couple of years after it came into effect. prop m, which can about the following year and passed with 51% of the vote, lowered the floor to its current 25,000 square feet, and it also very importantly did away with the sunset provision. also of particular note here, like anything enacted by the voters, it cannot be changed except by a new v