I need the answer for question 5 WHERE DO YOU STAND?4a. After reading the articles, what do you think overall about whether we should search forlife on other planets? Explain your thinking in terms of your prioritized criteria.4b. What does your decision say about your own values?5. For scientists who are looking for life in outer space, what substances should they look forand why? Fawaz, R. (2012) Space that Bottamiess Pit: Planetary Exlle and Metachers of Belanging nAmerDAIRA. ONIoo, 3014X 1103-1122.READING 4: WHY EXPLORE SPACE?Why should we explore space? Why should money, time and effort be spent researching something with apparently so few benefits? Why shouldresources be spent on space rather than on conditions and people on Earth?Perhaps the best answer lies in our history. What made our ancestors move from the trees onto the plains? Did a wider distribution of our species offer abetter chance of survival?Most Americans don't go a week -- maybe not even a day - without encountering something that owes at least part of its origins to the NationalAeronautics and Space Administration (NASA). That's true in the home medicine cabinet, the doctor's office and the hospital. (.)NASA didn't invent Magnetic Resonance Imaging (MRI), but NASA's Jet Propulsion Laboratory developed digital image processing to enhance pictures ofthe moon. That contributed to MRIS and CT or CAT Scans (also known as computerized tomography).Another example is the development of the LVAD (Left Ventricular Assist Device) in 1995. Engineers at the Johnson Space Center in Houston worked withDr. Michael DeBakey to develop this artificial heart pump based on the space shuttle's fuel pumps. It helps keep people healthy as they wait for hearttransplants - and sometimes makes a transplant unnecessary.More recently, NASA's Innovative Partnerships Program at the Marshall Space Flight Center sponsored successful clinical trials on medical uses of a lighttechnology that was originally developed for plant experiments on space shuttles. A Wisconsin company and a research center sponsored by NASA at theUniversity of Wisconsin at Madison figured out how to use the light technology to reduce the painful side effects of chemotherapy and radiation treatmentin cancer patients who have bone marrow or stem cell transplants. Over the years, NASA can claim at least partial credit for a wide variety of medicalinnovations, from ear thermometers and automatic insulin pumps to implantable heart defibrillators and improvements in digital mammographytechnology.Here are a few of the many other medical advances that came at least in part from NASA:Digital imaging breast biopsy system, developed from Hubble Space Telescope technologyTiny transmitters to monitor the fetus inside the wombLaser angioplasty, using fiber-optic cathetersForceps with fiber optics that let doctors measure the pressure applied to a baby's head during deliveryCool suit to lower body temperature in treatment of various conditionsVoice-controlled wheelchairsLight-emitting diodes (LED) for help in brain cancer surgeryFoam used to insulate space shuttle external tanks for less expensive, better molds for artificial arms and legsProgrammable pacemakersTools for cataract surgerySources:

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5. For scientists who are looking for life in outer space, what substances should they look for and why?