- Researchers have created a type of artificial muscle that could make robots more lifelike.
- More than 200 polar bears gathered together to feed on a dead whale on Wrangel Island, in Russia.
- A company called SpaceX is building a rocket that it says could be used to travel between countries.
Spark a discussion
- What is the artificial muscle powered by?
- Why did more than 200 polar bears gather together on Wrangel Island?
- What do the inventors of a new rocket think it could be used for?
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