I've gotten such a list of questions, I decided to put them all in on place, so as not to flood the forums. Even if all my questions get answered, I'm sure I'll have more soon!
When you reply please state which question(s) you are replying to.

1. In one of my tribes, I have 2 of the three huts, and all the feathers collected. What is my maximum population?
2. When you finish the feather collection, your maximum population goes up by five. What happens when you complete the other collections?
3. When my villagers finished clearing the rubble, I seemed to start getting tablet pieces less often. Is that normal?
4. Clearing the leaves seemed to go faster than the other building projects. Is that normal?
5. What is the average age for a healthy villager to die at?
6. Sometimes, when I try to make a potion, all the herbs get put in, but no potion appears. I know it's not blowing up. What's happening?
7. One of my villagers once said she was "Praising", and she walked over to some random spot and started doing funny motions with her arms. What are the cause and effects of this action?
8. Will my farmers ever catch anything besides crabs and silvery fish?
9. Are the paralysing effects of the gold berry x3 potion permanent or temporary?
10. I'm worried that one of my tribes is going to end up all black-haired. Is there anything I can do about that?
11. Is there any way to know whether a child will be male or female before they turn 2?
12. Is there a list of all the events and their outcomes? If so please direct me to it!
13. Which hut is the sewing hut, and do you need lvl 3 science before you can access it?
14. What does the sewing hut interface look like? How much does it cost to change the clothes?
15. I've built 2 of the huts, restored the bath, cleared the rubble, and cleared the leaves. Is there anything for my builders to do until I get lvl 3 restoration?
16. Is restoring the statue like restoring the bath, or more like fixing the lift (timewise)?
17. Most of my puzzles say they were completed in 800 or more Isola years. Is this a glitch, because I am only just now getting into my 2nd generation!
18. What's the difference between Easy, Normal and Hard? Can you change mid-game, or do you have to pick at the beginning?

Thank you very much in advance for answering my questions. I apologize if anything I have said is against the rules.
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English is not my first language, sorry...