What Happens When the Last Snail Dies?

In the Snail Extinction Prevention Program lab, behind a green door in a small green trailer, little mollusks move across differently-shaded green leaves four times their size, their translucent antennae wiggling and flicking. Extinct in the wild, the snails play at survival in the trailer, eating and reproducing, practicing for their reintroduction back into their habitats. As a greyish yellow…