This is the world of “test and trace.” In the past month [i.e., since early March 2020], the coronavirus pandemic has necessitated a deep freeze of US activity.

The dimension of velocity is length divided by time.

Recently Dr. Sze¹ has described many species from Shihpanwan, 110 li west of Fuku Hsien (府谷縣), North Shensi.]

Mr. Luber, who, like many sneakerheads, speaks of his footwear collection as if it were an ever-expanding portfolio, started collecting at age 10.