Crouching in the boot-sucking mud of the Baylands Nature Preserve in Palo Alto, Manu Prakash, associate professor of bioengineering at Stanford University, peered through his Foldscope—a $1.75 origami microscope of his own invention—scrutinizing the inhabitants of the marsh’s brackish waters. With his eye trained on a large single-cell organism, called Spirostomum, he watched it do something that immediately made it his next research subject.
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Source: Phys.org