Artificial Photosynthesis Produces Fuel

While humans need food and water to survive, plants are able to get their energy from the sun through a process known as photosynthesis. Engineers are now trying to replicate this process of converting sunshine to power through artificial photosynthesis. They are trying to create an artificial leaf. Listen to learn how these problem solvers are approaching the challenge step by step.

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Story Length: 5:35

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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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