surface

On the surface, the appeal is finding out if the 58-year-old Tyson can defeat Paul, who’s less than half Tyson’s age.

But beneath the surface, there are competing agendas.

The team used electrocatalysis, a type of chemical reaction initiated by electron transfers to and from reactants on surfaces of catalysts, to convert carbon dioxide into biocompatible intermediates, such as acetate and ethanol.

Nothing much happens by way of action, yet unspoken tensions simmer under the surface, and by the movie’s surprising end, you sense that a tremendous transformation has quietly taken place.

The mystery mollusk is the first known nudibranch to live in a deep-water column, specifically in the ocean’s midnight zone — open water about 1,000 to 4,000 meters below the surface.