PNAS First Look Blog

Science journalists discuss a selection of new papers from PNAS

Deep cleaning

Researchers vacuum myriad tiny, swimming creatures from the surface of rocks off the coast of Southern Italy. Image courtesy of Kristy Kroeker.

Researchers vacuum myriad tiny, swimming creatures from the surface of rocks off the coast of Southern Italy. Image courtesy of Kristy Kroeker.

Kristy Kroeker vacuums invertebrates from a rock off the coast of Southern Italy. Her SCUBA-tank powered vacuum, called an “airlift,” inhales shrimp, sand fleas, marine worms, and “things that would swim away if they had the chance.” With a chisel and mallet, she then removes a layer of rock to collect the barnacles, snails, limpets, and algae attached to it. Back at the laboratory, all is sorted and identified under a dissecting microscope.

Read the full Inner Workings by Danielle Venton here.

Categories: Inner workings
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