It was considered impossible for natural yeast to ferment xylose at all. But two Australian scientists persevered with old school selective evolution and came up with a super yeast.

• 人们过去认为根本不可能用天然的酵母来发酵木糖。但是，两位澳大利亚科学家坚持传统的进化选择技术，并提出使用一种超级酵母。