News Physics Physics could unite plankton The oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers By Sid Perkins February 19, 2009 at 3:13 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Phytoplankton sometimes come together in the ocean because they can’t tell which way is up, new research suggests. TAKING A TUMBLE Phytoplankton often accumulate in thin layers below the ocean surface. The boundary between two currents could be where.