their children, a rare occurrence for children's hospitals at the time. After the new Charlotte R. Bloomberg Children's Center opened in 2012, the CMSC was decommissioned and turned into a laboratory space and space to simulate a hospital environment for trainees. Plans have also been made to construct a new facade and renovate the CMSC to house more research programs. In May 2012, the Johns Hopkins Hospital opened two new towers as part of a major campus redevelopment effort. The opening of the new $1.1 billion Charlotte R. Bloomberg Children's Center tower and the new adult Sheikh Zayed Tower marked the high point of this effort. The tower provides 560,000 square feet and many new modern amenities. The new towers featured colorful exteriors designed by artist Spencer Finch, and general design from the design firm, Perkins and Will. Charlotte R. Bloomberg Children's Center got its name when former New York Mayor Michael Bloomberg donated $120 million to the construction of the new children's tower. About The hospital has an American Academy of Pediatrics verified level IV neonatal intensive care unit that has a capacity of 45 bassinets. The hospital also has a 40-bed pediatric intensive care unit for critical pediatric patients age 0-21. The hospital also features 10 operating rooms. Awards Johns Hopkins Children's Center is regularly regarded as a national leader in pediatrics. Through their affiliation with Johns Hopkins Hospital, JHCC has been recognized by the American Nursing Association as a Magnet hospital for the years 2003, 2008, 2013, 2018. Parents Magazine has ranked the hospital as one if the best 20 best children's hospitals in the country in their top 20 pediatric technology and innovations rankings. As of 2021 Johns Hopkins Children's Center has placed nationally in all 10 ranked pediatric specialties on U.S. News & World Report: Best Children's Hospital rankings. Patient care units The hospital offers a few different units for infants, children, teens, and young adults age 0-21 based on age or diagnosis. 20-bed Pediatric Medical and Surgical Oncology 40-bed Pediatric Intensive Care Unit 45-bed Level IV Neonatal Intensive Care Unit 35-bed Pediatric Emergency Department 62-bed General Pediatric Units (based on age) Firsts The first ever successful separation of conjoined twins occurred at the hospital on September 7, 1987. The twins, Patrick and Benjamin Binder were the first twins to be successfully separated in the world. The separation was led by neurosurgeon Ben Carson, of