We review, through articles published in Mètode, the news during these twelve months of SARS-CoV-2 health crisis.

The most effective type of mask depends on what you want to use it for. We have three types: self-filtering masks, surgical masks, and hygienic masks.

Everything we learn is stored in the brain with connections between neurons, which we call «neural plasticity». It is most pronounced in childhood and gradually decreases with age.

Answered by Anabel Forte, professor of Statistics and Operations Research at the University of Valencia, explains why it is so difficult to make reliable predictions about the pandemic.

Anabel Forte, professor of Statistics and Operations Research at the University of Valencia, analyses the discrepancy in COVID-19 data in Spain.

Issue 107 of Mètode, coordinated by Carles Pedrós-Alió, Josep Maria Gasol, and Rafel Simó, focuses on the impact of human activities on the sea.

Essentially there is no supplement that can prevent the coronavirus, but many patients who have suffered from the coronavirus have vitamin D deficiency.

The virus has spread again in the different populations because we have lowered our protective measures, when we should have maintained them for a much longer period.

New Mètode Call for Papers about post-humanism. Deadline for submission: 22 March 2021.

The structural integrity of an airplane's windows and doors is not a minor issue, because there is a large difference in pressure and temperature between the interior and exterior of the aircraft.