Research related to National Defense are usually kept confidential, and corporations have an incentive to not share there research to maintain competitive with their competitors. Neither of these seem out of the ordinary regardless of where you are on the globe.
Even still. The US government funds various institutions that share their research publicly, so I am not sure where you are really going with this.
I said countries (as in governments & corporations)
Research related to National Defense are usually kept confidential, and corporations have an incentive to not share there research to maintain competitive with their competitors. Neither of these seem out of the ordinary regardless of where you are on the globe.
Even still. The US government funds various institutions that share their research publicly, so I am not sure where you are really going with this.