The current set of built in Environments which are used for lighting are not remotely suitable to scientific models.
With the exception of Studio and Studio 2, all of the current environments add a color cast due to the colors in the environmental hdr image.
For scientific models, color is incredibly important, as it typically corresponds to data, and should never be cast to any other color. Adding a greenish, bluish, or reddish color cast (like the default Environment, and nearly every built-in environment) distorts the usability of the model.
At the moment, Studio 2 is the best option - but it would be nice to have a simplified environment built-in which did nothing but light the model relatively evenly, without adding any color casts. A slightly brighter "sun" oriented light could be appropriate, but the model needs to be lit from all sides (including bottom) and never cast (so image should be purely black-and-white).