On the last turn researching a tech, what happens to the left over research?. Is it thrown away, kept for the next tech, or given back to you in the form of cash?.
For example, say you produce 60pu in science each month and there you start researching a tech that costs 320pu. After 5 turns you'll only need 20pu more to finsish the tech and you hit the turn button. What happens to extra 40pu?. Do they get thrown away?. In that case isn't the game forcing us to manually change the reasearch spending on the last month from 60pu to 20pu if we want no waste...?
If the research tech is wasted it's like paying your scienctist to be on vacation. This makes no sense. A research lab manned by a fat security guard has to cost less to mantain than a research lab full of busy scientists. Same goes for planets that produce nothing in empty factories, they should spend no money! (or at least a small fraction of what it would spend if it were busy).