Sea Slug: Animal or Plant?

Small green sea slugs puzzle scientists because they can photosynthesize energy, just like plants. These Eastern Emerald Elysia sea slugs also appear to have several different types of DNA. Scientists are hopeful these sea slugs might help them discover more about human DNA and treat human diseases. Listen to learn how these tiny creatures are teaching us more about genetics.

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Story Length: 4:56

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Listening Comprehension Questions

In what ways did Andrew Carnegie’s libraries serve their communities?
How did Carnegie benefit from a library when he was growing up?
Which personality traits helped propel Carnegie from poverty to riches? Bring specific details from the story to support your ideas.
According to Carnegie, what should rich people do with their money and why? Why was Carnegie known as both generous and “brutal”?

Discussion Themes

In your opinion, what should really rich people do with their fortunes?
What does it take for a person to rise from “rags to riches”?

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