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Regeneration is a process discovered centuries ago. How severe a wound is determines the strength of the current flowing around it. The lizard, unlike man, is a less-developed animal. Scientists have lately found that a lizard will grow a new tail if the old one is broken off.
He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth. He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate. He has been recently informed by other scientists of the possibility that more sun spots will appear. He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
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