📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
76 words
- Mammals usually cannot regrow lost limbs naturally.
- Some animals can regrow whole limbs, such as salamanders.
- Researchers at a university found a new two-step treatment.
- The team used two different growth signals after healing.
- First the treatment made a special healing tissue layer.
- Later it helped cells build new bone and joints.
- The treatment also formed tendon and ligament tissue.
- They did not need to add stem cells.
- This method may reduce scarring after injury.
Difficult words
- regrow — Grow again after being lost or removed
- limb — An arm or leg of an animallimbs
- salamander — A small amphibian that can regrow limbssalamanders
- treatment — A medical method to help the body heal
- tendon — Tough tissue that connects muscle to bone
- ligament — Strong tissue that connects bone to bone
- scarring — Marks left on the body after healing
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever had an injury?
- Would you want a treatment that reduces scarring?
- Do you know any animal that can regrow a limb?
Related articles
21 Apr 2026
25 Nov 2025
31 Jul 2026
New Long-Acting Options Help in the Fight Against HIV
Researchers at an international conference presented new HIV treatments that require fewer doses. Options like six-month injections and weekly pills offer better choices and could make prevention and treatment much easier worldwide.
16 Aug 2023
Citizen science could help monitor health and the SDGs
A systematic review in Frontiers in Public Health finds citizen science can support monitoring many health and well‑being indicators in the UN Sustainable Development Goals and the WHO Triple Billion Targets. Authors are from IIASA and WHO.
6 Dec 2025