1,3,5-trioxane is an important chemical used primarily as a monomer for the production of high-molecular weight polyacetals and secondarily as a chemical intermediate.
Now, for a while, even though we knew that metriorhynchids were secondarily aquatic, we weren't really sure how this transition back to the water happened.
There's some kind of a rooted bias in Hollywood that diverse people don't come to the movies, and secondarily, that non-diverse people don't want to see diverse people on screen.