Thermo Fisher Scientific engages in the provision of analytical instruments, equipment, reagents and consumables, software and services for research, analysis, discovery, and diagnostics. It operates through the following segments: Life Sciences Solutions; Analytical Instruments; Specialty Diagnostics; and Laboratory Products and Services. The Life Sciences Solutions segment comprises of portfolio of reagents, instruments, and consumables used in biological and medical research, discovery and production of new drugs, and vaccines as well as diagnosis of disease. The Analytical Instruments segment offers instruments, consumables, software, and services that are used for a range of applications in the laboratory, on the production line, and in the field. The Specialty Diagnostics segment gives diagnostic test kits, reagents, culture media, instruments, and associated products used to increase the speed and accuracy of diagnoses. The Laboratory Products and Services segment involves in providing everything needed for the laboratory, including a combination of self-manufactured and sourced products for customers in research, academic, government, industrial, and healthcare settings.