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Spoken in 3 clips from 3 channels · B2–C1 · other forms: samples
Nasa recently sent the first samples of frozen human sperm to space.
Officer Stone submitted a DNA sample from the motel for that exact purpose, and the results found exactly the clue he needs.
It was first isolated in bacteria from a soil sample from Easter Island, and it was discovered to be antifungal, that it could stop fungal cells from growing.