Upper School physics teacher Larry Hiller took up the cause, helping the students to create face shields and masks ... settled on making medical masks. Doctors and hospital staff are doing ...

But the practice of wearing face shields instead of face masks has become more widespread among members of the public. Face shields are less stifling than masks and allow the lips to show through.

Cloth face masks, often cobbled together as a makeshift alternative when stocks of surgical masks run low, and sometimes worn as a fashion statement, offer no practical protection against the ...