Covid Resilience

Is hair graying reversible? Rosenberg et al. Quantitative mapping of human hair greying and reversal in relation to life stress. eLife, June 2021. A new study has found that the old rumor about why our hair turns gray is proven to have a scientifi…

The terms translated in English as “worship,” “servanthood,” and “devotion” are taken from Arabic and possess a long history in the Islamic tradition. In particular, they have been commented upon by Sufi teachers and theoreticians down through the a…