News by Levels · Level 1 · Student worksheet

Tiny Robots Move With Living Muscle

Name: __________________________ Date: __________________

Read the story

ETH Zurich researchers made tiny robots using muscle grown from mouse cells. When the muscle tightens, a soft frame bends and moves.

The team showed jumping, swimming and gripping in the lab. The muscle needs a special liquid to stay alive.

Source: ETH Zurich, via Tech Xplore, 2026-10-22. https://techxplore.com/news/2026-10-lab-grown-mouse-muscles-enable.html

Read and practise

1. What makes the soft frame move?

   1. A change in paint colour
   2. Muscle tightening
   3. The nutrient liquid turning solid

2. What keeps the muscle alive?

   1. Dry air alone
   2. The frame’s colour
   3. A special liquid

Your turn

Explain one movement and one limit of these robots.

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Read online: https://newsbylevels.com/news/eth-living-muscle-tiny-robots-october-2026/level-1/