📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
77 words
- Penguins wore small samplers on their legs.
- Scientists put the samplers for a few days.
- Samplers absorbed chemicals from water and air.
- Penguins touched surfaces while they searched for food.
- After use, scientists took the devices to a lab.
- Tests found many chemicals in the samplers.
- The method is less harmful than blood tests.
- Penguins help show where pollution is found.
- Researchers want to try the idea with other birds.
- The approach can help monitor remote coasts.
Difficult words
- sampler — small device that collects things for testsSamplers
- absorb — to take in a liquid or gasabsorbed
- chemical — a substance made or found in naturechemicals
- pollution — dirty or harmful things in air or water
- monitor — to watch a place or thing over time
- remote — far away and hard to get to
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Would you let a bird wear a small sampler? Why or why not?
- Have you seen pollution near the sea or a river?
- Do you think scientists should use animals to find pollution?
Related articles
13 May 2026
Oxytocin rises in soccer contests among the Tsimane
Researchers from the University of Zurich measured oxytocin during soccer tournaments with the Indigenous Tsimane in the Bolivian Amazon. Levels rose most against familiar rivals and also rose versus outsiders; changes appeared in men but not women.
3 Nov 2025
24 Feb 2026
8 Dec 2025
23 May 2025