He is researching about a new energy source.

He is conducting research on a new energy source.

The shape of this crystal lattice is very unique.

If the number of platelets is low, you are more likely to bleed.

Our team advanced to the semifinals.

This crystal has a very beautiful shape.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.

He is a specialist fool, with no interest in anything outside his field.

She is planning a date with her current boyfriend.