"is worth investigating" is a correct and usable phrase in written English. You can use it to indicate that a topic is worth taking a closer look into. For example, "The increase in drug use among teenagers is worth investigating."
Is there any questionable material within the theory that is worth investigating?" Green wonders.
It is worth investigating.
There's another feature which is worth investigating.
Whatever the reason, it is worth investigating".
Tin Man's wider catalogue of "gamebooks" is worth investigating too.
Recent concerns suggest that this is worth investigating.
Therefore it is worth investigating how usability methods are applied in developing telemedicine systems.
There is a small gift shop/ bookstore that is worth investigating.
Each component is addressed individually but first it is worth investigating the software structure.
External training doesn't have to cost a fortune and is worth investigating.
But what else is worth investigating to understand the capabilities of the device?
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com