📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
72 words
- Thrinaxodon is an ancient animal from very long ago.
- It lived long ago alongside early dinosaurs at times.
- It had a thin membrane tucked into jaw crook.
- That membrane could work like an eardrum to hear.
- Models show the membrane would pick up airborne sound.
- This hearing was better than only bone conduction alone.
- Scientists used CT scans and engineering simulations on fossils.
- The study changes when sensitive hearing first evolved overall.
Difficult words
- ancient — from a very long time ago
- membrane — a thin soft layer on a body part
- eardrum — thin part inside the ear that hears
- fossil — hard remains of a plant or animalfossils
- evolve — to change slowly over timeevolved
- hearing — the sense that detects sounds
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever seen a fossil?
- Do you think good hearing is important for animals?
- Do you like to listen to sounds outside?
Related articles
27 Oct 2025
30 Dec 2025
15 Apr 2026
30 Jan 2026
African leaders call for local funding of medical innovation
A group of African science leaders says Africa must develop and pay for its own medical innovations to improve health and rely less on uncertain international funding. They call for more national investment, reforms and stronger research systems.
10 Feb 2023