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Ms. Huscher's 7th-grade science class had a guest speaker.

Ms. Huscher's 7th-grade science class had a guest speaker. You can see Dr. MacPhee excavating a wooly mammoth tusk from a site in Yukon, Canada. He spoke to her class about the extinction of megafauna and the ethics behind de-extinction.

Science photos

Dr. MacPhee used the second picture to talk about extracting DNA from dead animals. Scientists are trying to recreate the DNA of extinct species.

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