📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
89 words
- Researchers studied how yeast behaves in the gut of animals.
- They want to help the yeast deliver useful drugs inside the body.
- The yeast used is a probiotic that people already take.
- Scientists used a common probiotic yeast strain that was not changed.
- They put the yeast into germ-free mice with no other microbes.
- The team collected feces and pieces of the intestine for tests.
- They found DNA regions in the yeast that act like switches.
- The yeast did not show genes for harmful behavior in the gut.
Difficult words
- researcher — person who studies science and does experimentsResearchers
- yeast — a small living organism used in food and medicine
- probiotic — a live bacteria or yeast that helps the gut
- strain — a type or variety of a microorganism
- germ-free — without any other microbes or germs present
- feces — solid waste from the intestines
- gene — part of DNA that gives instructions for traitsgenes
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever taken a probiotic?
- Have you ever seen a mouse in real life?
- Would you try a medicine made by yeast?
Related articles
29 Dec 2025
Clock disruption speeds breast cancer in models
New research finds that repeating disruption of the body’s 24-hour clock changes breast tissue, weakens immune defenses and leads to faster, more aggressive breast cancer in experimental models. The study links altered light–dark schedules to worse outcomes.
17 Mar 2026
5 Dec 2025
Parents' Attitudes Linked to Binge Drinking and Greek Life
A study finds that parents who are more permissive about alcohol are linked to students joining fraternities or sororities and higher binge drinking during the first college year. Authors suggest parenting programs to reduce risk.
28 Feb 2026
30 May 2026