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Remember that the nervous system’s entire function is to warn us of danger.

That amount can not only harm plants, but it can also upend “the entire function of the ecosystem,” says study author Pieter De Frenne, an ecologist at Ghent University in Belgium.

The line I waited in most was the one that doubled as a slow tour of every aisle of the Trader Joe’s on Atlantic Avenue, where on Sundays one employee’s entire function was to stand next to the last customer gripping a red flag that said something like “The Line Ends Here.”

When someone’s entire function is ceremonial, it can take on big significance if they change up even a small part of that ceremony.

The novel chip does not reproduce the entire function of a kidney, instead focusing on the filtering function.