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Microscopes at microscopic size

Traditionally if scientists wanted to look at something small they would put a sample under a microscope but now researchers have managed to shrink the microscope itself to the size of a single human cell. An interdisciplinary research team, funded by the Biotechnology and Biological Science Research Council (BBSRC) and the Engineering and Physical Sciences Research Council (EPSRC) have developed optical biochips no larger than a single cell that could lead to faster development of new drugs and quicker medical tests.