<p>Find out how photosynthesis works, and why it brings us beautiful fall foliage this time of year.  Leonard talks to educator Dr. James Boyer and research scientist Dr. Amy Litt.</p>
<p>Weigh in: Where in the New York area have you spotted dramatic fall foliage so far this season?</p>

Find out how photosynthesis works, and why it brings us beautiful fall foliage this time of year. Leonard talks to educator Dr. James Boyer and research scientist Dr. Amy Litt. Weigh in: Where in the New York area have you spotted dramatic fall foliage so far this season?

Please Explain: Photosynthesis

In Please Explain, we set aside time every Friday afternoon to get to the bottom of one complex issue. Ever wonder how New York City's water system works? Or how the US became so polarized politically? We'll back up and review the basic facts and principles of complicated issues across a broad range of topics — history, politics, science, you name it.

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Please Explain: Photosynthesis

Please Explain: Photosynthesis

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