Qeustion 1: Expansive trait, How exactly dose the +3 health bonus help you expand? getting health is so easy with aquiducts and grainerys. So am i missing out on the point of the +3 bonus?

Qeustion 2: If i take so long to research a teck that it makes it so it only takes one turn to get will all research overkill im getting from that teck transfer over to my next teck? or should i be putting my taxes down vary low before getting that teck?

early on the +3 health bonus might not be very visible, but later on as your cities get bigger and you have more improvements and you get the typical pollution common in cities throughout history, the health bonus helps because you don't need as many improvements to fix the unhealthyness.

for your second question, its not often that you have techs that take one turn to do, this usually happens because its an older tech and so you just research it faster. and the extra research doesn't overflow to the next tech you research. You don't need to mess with the taxes because it really isn't neccesary if its only one turn.

The Expansive trait has recieved som criticism on that point, "+3 Health? How's that supposed to help you"? What makes it "Expansive" is that granaries are cheaper, so you can get them more easily and grow faster. +3 Health only really comes into play when your cities get quite large. It's actually quite worthwhile then, since health becomes the main growth limiter for very large cities.

Surplus beakers from reasearching a technology carry over to the next one. There is no reason to suddenly drop your research% to the minimum right before t ech discovery like there was in Civ3. In fact, if you were recieving a bonus while researching that tech (like many people you knew had it, and you had researched all its pre-reqs already) the spillover is enhanced as well. Because of this, you may actually get marginal benefits by increasing your science to 100% right before discovery. The gain you'd get is around +1% to your total science rate, so your probably shouldn't even bother.

oh, I didn't know it does spillover with the research.

Yup, one of the nice things they added to reduce micro-management. Production spills over too, so you don't need to worry about managing that in your cities either.

You can see the tech-spillover in action when you have finished research, and you choose a new tech. If you look at the research-bar then, you will see that a portion of it is faint-green (the research taht will be added this turn) and a portion is full-green. How did you get a full-green portion of it when you haven't even done a turn of research on it? Because of spillover! If you switch techs again on that same turn, the spillover will go to the new tech instead, but once you have done a complete turn of research it is indellibly applied to that technology.

Yup, one of the nice things they added to reduce micro-management. Production spills over too, so you don't need to worry about managing that in your cities either.

Except I'm not sure spillover works when you finish building something and start a wonder. It definitely works when you finish a wonder and start building something else, which is why when you are chopping to build a wonder, the next item sometimes takes one or two turns to build.

The health advantage of expansive can't really be seen unless you are playing on Monarch or higher. It seems like a pretty sweet deal to me on Emperor.

The health advantage of expansive can't really be seen unless you are playing on Monarch or higher. It seems like a pretty sweet deal to me on Emperor.

it's like a godsend... I think I have almost never played emperor without the health advantage - and that even though I'm still playing without any patches, thus only having a 2+ bonus.

The health advantage of expansive can't really be seen unless you are playing on Monarch or higher. It seems like a pretty sweet deal to me on Emperor.
I dunno, I've benefitted from it on Noble and Prince: built a Roman city in the midst of lucrative but unhealthy floodplains, then was able to chop the nearby forests for strategic production boosts. No health problems until late game.

Try playing on the harder levels, I know on emperor, when you build a city in the tropical regions and grow to size 2 or 3 and haven't gotten time to get good resources, your like "crap, I need health."

The +3 is pretty clutch then.