Tagged: chemistry PicturesList 01 The trade The trade · 23 Aug 2026 A 1933 Tea Sample Still Matches Today’s Cup A 2019 chemical analysis of thirty-seven tea samples set aside in 1933 found that the fingerprint of that decades-old rooibos and a commercial tea from 2016 are virtually identical, and it finally identified a forgotten reed tea from the same box as a completely different plant still drunk today at Wupperthal. Nothing filed under this topic yet.