BBCNEWS Witness History June 4, 2024 01:41:00
Or artemisia annua. we knew it was relatively effective, but it was inconsistent, so we had to work out why. tu youyou had a breakthrough. she went back to the ancient texts and found a description in ge hong's medical handbook. it is hundreds of years old. it said, "take a handful of sweet wormwood, immerse "it in water, then ring out the juice and drink it all". and this gave her the idea to try a cone method —— and this gave her the idea to try a cold method of extracting the medicinal properties from the plant. we conducted 190 experiments using this plant, and it was the 191st that wo...