After several months of personal journey towards accepting that the coronavirus pandemic is real (see Jandrić 2020a, b), in early March, it dawned on me that the pandemic does not need only so-called essential workers. Self-quarantined after returning from abroad weeks before the Croatian government locked down the country, I immediately wrote an editorial for Postdigital Science and Education and argued that 'While doctors, nurses, politicians, food suppliers, and many other brave people self-sacrifice to support our daily survival, this editorial argues that academics have a unique opportunity, and a moral duty, to immediately start conducting in-depth studies of current events.' (Jandrić 2020c: 234) I had no idea how to even approach these studies, yet I had a strong feeling that something needed to be done urgently. So, I just did what I know best and issued calls for 3 different types of Covid-19-related material to be published in Postdigital Science and Education: short testimonies, longer commentary articles, and full-length original articles. I had no idea how much material I would receive, what this material would look like, and what I would do with this material. I just had a deep gut feeling that we are witnessing a unique time in human history, a once-in-a-lifetime event, that needs to be recorded as it unfolds. For better or for worse, I decided to follow that feeling. This general vision, without a clear idea of what I was doing, paved a bumpy road for the development of this collection. On 17 March 2020, I shared the Call for Testimonies on Postdigital Science and Education social network sites and I emailed it to the journal's mailing list. Based on my previous experience with similar calls, I expected to receive 10 to 15 contributions and produce a standard-length collective article aiming at postdigital dialogue (Jandrić et al. 2019) about the pandemic. Yet my call went 'viral', at least for academic standards, and a couple of weeks later, I had more than 50,000 words written by more than 80 authors. So how do I make sense of all that material? My dear friend and Associate Editor of Postdigital Science and Education, Sarah Hayes, came to my rescue. We first tried to make sense of the contributions using critical discourse

Application of kinetic data permits selection of catalyst concentration to give desired rate of hydrogen generation During World War II the hydrolysis of sodium borohydride was investigated as a source

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This manuscript presents a comparative study of the physico-chemical behaviour of sulfobetaine-type single and double zwitterions and zwitterionic salts, and structurally similar mono-and di-cationic tetraalkylammonium salts in aqueous solutions. The study includes experimental determination of the density and viscosity of highly diluted aqueous solutions with derivation of the Jones-Dole viscosity Bcoefficient, partial molal volumes at infinite dilution, and hydration numbers. The study also examines the effects of addition of the salts on the surface tension of cationic and anionic surfactants, upper critical solution temperature of a non-ionic surfactant, solubility of amino acids, and stability of a protein. The experimental investigation was performed taking a broad bottom-up approach with the aim to elucidate the effect of molecular architecture and charge (two versus four) on the degree of surface hydration of a molecule, kosmotropicity, and interactions with charged and hydrophilic/hydrophobic surfaces-all-important characteristics which define ability of a functional group to resist protein attachment. The novel multicharged zwitterionic materials have exhibited superior qualities, thus paving the way to development of a new platform in design of hydrophilic and anti-fouling surfaces by employing the four-charge bearing molecular motifs.