Playing with Electricity: Fun Experiments to do at Home
- Physical Science, Science Fun Facts
- April 20, 2012

In Marvel Comics’ X-Men, the character called Wolverine has sharp claws hidden beneath his skin. When threatened, the claws slice through the skin on his hands and can be used as weapons, and the skin heals when he retracts them again. This seems like pure fantasy, but there is actually a species of newt that
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