Handy Medical Tools
Credit: NASA.

 
When Enterprise crew members became sick, Dr. McCoy was able to diagnose the problem in record time, usually thanks to his medical tricorder. Today's physicians make use of Magnetic Resonance Imaging (MRI) and CAT scans in much the same way. For smaller bugs, NASA has actually tested a similar kind of device on the space station. The LOCAD-PTS is able to detect and identify within minutes environmental pathogens (fungi or bacteria) that could adversely affect the health of crew members.
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