Thứ Bảy, 3 tháng 7, 2021

Schoolchildren have discovered that applying orange juice to a Covid lateral flow test can generate a fake “positive” result. Science teacher claims students say ‘it’s a great way to get two weeks off’, as experts criticise practice.


https://ift.tt/3jAVYhX via /r/worldnews https://ift.tt/3heGIG7

Không có nhận xét nào:

Đăng nhận xét