A mother queen conch lays half a million eggs over a day or so in a gelatinous strand that, unfurled, would stretch longer than a semitruck trailer.A queen conch shell can grow as big as a football.

This new research comes with another troubling surprise: 30 percent of the sample particles were microbeads, tiny synthetic spheres that the United States banned from beauty products in 2015.

If I had a view of the "falling" model from the side, I could easily get position-time data using video analysis by looking at each frame in the scene.Alas, I don't have that view.