1 00:00:03,020 --> 00:00:05,120 "HOUSTON, STATION ON SPACE TO GROUND." 2 00:00:05,120 --> 00:00:07,580 WELCOME TO SPACE TO GROUND, I’M ISIDRO REYNA. 3 00:00:07,580 --> 00:00:10,250 THIS WEEK, SPACEX’S CARGO DRAGON SPACECRAFT 4 00:00:10,250 --> 00:00:12,940 SPLASHED DOWN OFF THE COAST OF FLORIDA. 5 00:00:12,940 --> 00:00:14,580 THE CARGO DRAGON SPACECRAFT, 6 00:00:14,580 --> 00:00:18,406 CARRYING OUT SPACEX’S 21ST COMMERCIAL RESUPPLY SERVICES MISSION, 7 00:00:18,406 --> 00:00:21,500 UNDOCKED FROM THE INTERNATIONAL SPACE STATION ON JAN. 12TH 8 00:00:21,500 --> 00:00:24,680 AND SPLASHED DOWN OFF THE COAST OF FLORIDA 12 HOURS LATER. 9 00:00:24,680 --> 00:00:27,530 IT WAS THE FIRST UNDOCKING OF A U.S. COMMERCIAL CARGO CRAFT 10 00:00:27,530 --> 00:00:28,900 FROM THE COMPLEX. 11 00:00:28,900 --> 00:00:30,570 PREVIOUS CARGO DRAGON SPACECRAFT 12 00:00:30,570 --> 00:00:32,960 WERE ATTACHED AND REMOVED FROM THE STATION USING 13 00:00:32,960 --> 00:00:34,760 THE STATION’S ROBOTIC CANADARM2. 14 00:00:34,760 --> 00:00:37,140 AND, THIS UPGRAGED DRAGON HAS DOUBLE 15 00:00:37,140 --> 00:00:40,225 THE POWERED LOCKER CAPABILITY OF THE PREVIOUS CARGO DRAGON, 16 00:00:40,225 --> 00:00:42,270 ENABLING THE TRANSPORT OF MORE COLD CARGO 17 00:00:42,270 --> 00:00:44,427 AND POWER FOR ADDITIONAL PAYLOADS. 18 00:00:45,000 --> 00:00:46,720 SPLASHING DOWN OFF THE COAST OF FLORIDA 19 00:00:46,720 --> 00:00:48,739 ENABLES QUICK TRANSPORTATION OF THE SCIENCE 20 00:00:48,739 --> 00:00:51,462 ABOARD THE CAPSULE TO NASA KENNEDY SPACE CENTER’S 21 00:00:51,462 --> 00:00:53,790 SPACE STATION PROCESSING FACILITY. 22 00:00:53,790 --> 00:00:55,760 THIS SHORTER TRANSPORTATION TIMEFRAME, 23 00:00:55,760 --> 00:00:58,492 AS SOON AS FOUR TO NINE HOURS AFTER SPLASHDOWN, 24 00:00:58,492 --> 00:01:00,170 WILL ALLOWS RESEARCHERS TO COLLECT DATA 25 00:01:00,170 --> 00:01:02,970 WITH MINIMAL LOSS OF MICROGRAVITY EFFECTS. 26 00:01:02,970 --> 00:01:04,933 EXPERIMENTS ON THIS LATEST MISSION INCLUDED: 27 00:01:04,933 --> 00:01:07,389 CARDINAL HEART, WHICH STUDIES HOW CHANGES IN GRAVITY 28 00:01:07,389 --> 00:01:09,609 AFFECT CARDIOVASCULAR CELLS AT THE CELLULAR 29 00:01:09,609 --> 00:01:12,149 AND TISSUE LEVEL USING 3D ENGINEERED HEART TISSUES, 30 00:01:12,149 --> 00:01:14,340 A TYPE OF TISSUE CHIP. 31 00:01:14,340 --> 00:01:15,340 RESULTS COULD PROVIDE 32 00:01:15,340 --> 00:01:17,389 NEW UNDERSTANDING OF HEART PROBLEMS ON EARTH, 33 00:01:17,389 --> 00:01:19,939 HELP IDENTIFY NEW TREATMENTS, AND SUPPORT DEVELOPMENT 34 00:01:19,939 --> 00:01:21,209 OF SCREENING MEASURES TO PREDICT 35 00:01:21,209 --> 00:01:23,979 CARDIOVASCULAR RISK PRIOR TO SPACEFLIGHT. 36 00:01:23,979 --> 00:01:26,429 THE BACTERIAL ADHESION AND CORROSION EXPERIMENT, 37 00:01:26,429 --> 00:01:28,329 WHICH IDENTIFIES THE BACTERIAL GENES USED 38 00:01:28,329 --> 00:01:29,810 DURING BIOFILM GROWTH, 39 00:01:29,810 --> 00:01:32,420 EXAMINES WHETHER THESE BIOFILMS CAN CORRODE STAINLESS STEEL, 40 00:01:32,420 --> 00:01:35,950 AND EVALUATES THE EFFECTIVENESS OF A SILVER-BASED DISINFECTANT. 41 00:01:35,950 --> 00:01:37,709 THIS INVESTIGATION COULD PROVIDE INSIGHT 42 00:01:37,709 --> 00:01:38,999 INTO BETTER WAYS TO CONTROL 43 00:01:38,999 --> 00:01:40,771 AND REMOVE RESISTANT BIOFILMS, 44 00:01:40,771 --> 00:01:42,149 CONTRIBUTING TO THE SUCCESS OF 45 00:01:42,149 --> 00:01:44,322 FUTURE LONG-DURATION SPACEFLIGHTS. 46 00:01:44,322 --> 00:01:45,630 FIBER OPTIC PRODUCTION, 47 00:01:45,630 --> 00:01:48,210 WHICH INCLUDES THE RETURN OF EXPERIMENTAL OPTICAL FIBERS 48 00:01:48,210 --> 00:01:51,539 CREATED IN MICROGRAVITY USING A BLEND OF ZIRCONIUM, 49 00:01:51,539 --> 00:01:54,099 BARIUM, LANTHANUM, SODIUM, AND ALUMINUM. 50 00:01:54,099 --> 00:01:55,139 THE RETURN OF THE FIBERS, 51 00:01:55,139 --> 00:01:57,979 CALLED ZBLAN IN REFERENCE TO THE CHEMICAL FORMULA, 52 00:01:57,979 --> 00:02:00,490 WILL HELP VERIFY EXPERIMENTAL STUDIES THAT SUGGEST 53 00:02:00,490 --> 00:02:02,659 FIBERS CREATED IN SPACE SHOULD EXHIBIT 54 00:02:02,659 --> 00:02:05,960 FAR SUPERIOR QUALITIES TO THOSE PRODUCED ON EARTH. 55 00:02:05,960 --> 00:02:07,530 AND THAT’S SPACE TO GROUND FOR THIS WEEK.