Well, since I am the first one to manifest myself and to save time, I'll give the first clue: Of all things, they had to pick water!
As usual, good guesses, but wrong ones. another clue: It seems in the 24th century, parents will have very few obligations towards their children.
You got it. 1) Janeway and Paris abandon their children on the planet without a second thought. I found that weird the first time I saw it. It's even weirder now. 2) Salamanders belong to our past, not our future!!! Your turn.