Old Yeast from a Mummy
來自木乃伊的古老酵母
Introduction
Scientists found old yeast in Ötzi. He is a man from 5,300 years ago. The yeast is still alive.
科學家在奧茨（Ötzi）中發現了古老的酵母。他是一位 5,300 年前的人類。這些酵母目前依然存活。
Main Body
The scientists looked at the mummy. They found three types of small life. Some were there when the man lived. Some came from the ice. Some are new.
科學家研究了這具木乃伊。他們發現了三種微小生物。有些在該男子生前就已存在，有些來自冰層，而有些則是新的。
They found four types of yeast. These yeasts like very cold weather. They are similar to yeasts in the Arctic.
他們發現了四種酵母。這些酵母非常適應極寒天氣，與北極地區的酵母非常相似。
The scientists used this yeast with flour. They made sourdough bread. This yeast works in cold places. This can help food companies save energy.
科學家將這些酵母與麵粉混合使用，製作出了酸種麵包。這種酵母在低溫環境下仍能運作，這能幫助食品公司節省能源。
Conclusion
The mummy is not just old. It helps us learn about nature and food.
這具木乃伊不僅僅是古老，它還能幫助我們了解自然與食物。
Vocabulary Learning
❄️ The Power of 'Some'
In the text, the author uses "Some" to split a big group into smaller parts. This is a great trick for A2 learners to describe things without being too specific.
How it works: Instead of saying "One yeast is old and one yeast is new," we use Some.
- Some were there when the man lived. → (Part of the group)
- Some came from the ice. → (Another part of the group)
- Some are new. → (The last part)
🛠️ Simple Action Patterns
Look at how the text connects a Tool to a Result. This is the easiest way to explain a process:
Tool/Ingredient + Action → Result
Example from text: Yeast + Flour → Sourdough bread
Try this pattern for other things: Water + Heat → Steam Paper + Pen → Letter