The cubit is an ancient unit of length that had several definitions according to each of the various different cultures that used the unit. These definitions typically ranged between 444 and 529.2 mm, with an ancient Roman cubit being as long as 120 cm. Read More
From today, a green certificate will be issued to people with antibodies after suffering from Covid. Laboratories expect increased interest in the tests, but there are fears that the reagents will not be enough. ...