Eric Walker added CT scan - Wikipedia to CT scan

Eric Walker added The Sea’s Weirdest Creatures, Now in ‘Staggering’ Detail - The New York Times to a number of topics

Eric Walker added a number of topics to Measuring instruments and measurement techniques, and added Measuring instruments and measurement techniques to Measurement

Eric Walker added a number of topics and a number of links to X-rays, and added X-rays to Photons and light

Eric Walker added The Sea’s Weirdest Creatures, Now in ‘Staggering’ Detail - The New York Times and CT scan - Wikipedia to CT scan, and added CT scan to X-rays, Measuring instruments and measurement techniques and Technology and medicine

Eric Walker added Rapid diagnostic technologies (RDTs) and CT scan and Paging Dr. Robot | The New Yorker to Technology and medicine, and added Technology and medicine to Technology and Medicine, drugs and healthcare