Front Matter -- Some Observations of Movements of Pennate Diatoms in Cultures and Their Possible Interpretation / Thomas Harbich -- The Kinematics of Explosively Jerky Diatom Motility: A Natural Example of Active Nanofluidics / Ahmet C Sabuncu, Richard Gordon, Edmond Richer, Kalina M Manoylov, Ali Beskok -- Cellular Mechanisms of Raphid Diatom Gliding / Yekaterina D Bedoshvili, Yelena V Likhoshway -- Motility of Biofilm-Forming Benthic Diatoms / Karen Grace Bondoc-Naumovitz, Stanley A Cohn -- Photophobic Responses of Diatoms -- Motility and Inter-Species Modulation / Stanley A Cohn, Lee Warnick, Blake Timmerman -- Diatom Biofilms: Ecosystem Engineering and Niche Construction / David M Paterson, Julie A Hope -- Diatom Motility: Mechanisms, Control and Adaptive Value / Joao Serdio -- Motility in the Diatom Genus Eunotia Ehrenb. / Paula C Furey -- A Free Ride: Diatoms Attached on Motile Diatoms / Vincent Roubeix, Martin Laviale -- Towards a Digital Diatom: Image Processing and Deep Learning Analysis of Bacillaria paradoxa Dynamic Morphology / Bradly Alicea, Richard Gordon, Thomas Harbich, Ujjwal Singh, Asmit Singh, Vinay Varma -- Diatom Triboacoustics / Ille C Gebeshuber, Florian Zischka, Helmut Kratochvil, Anton Noll, Richard Gordon, Thomas Harbich -- Movements of Diatoms VIII: Synthesis and Hypothesis / Bertrand Jean -- Locomotion of Benthic Pennate Diatoms: Models and Thoughts / Jiadao Wang, Ding Weng, Lei Chen, Shan Cao -- The Whimsical History of Proposed Motors for Diatom Motility / Richard Gordon -- Index -- Also of Interest