I'd say no, because without proper sealing water will soak into the wood, hence the term water-logged. Hardwoods, being more dense, just take longer to absorb liquids.
For thousands of years wash-tubs, buckets and barrels have been made from wood. They didn't leak, and neither did wooden ships if the joints were properly caulked.
What makes a Stradivarius a Stradivarius is the fact that the wood he used to make his violins with was soaked in water -very special water, as it happens. See the related link below for further (limited) information on the reproduction attempts that have been made.
Not naturally if you are referring to pine in general, but it can be treated to be mostly waterproof.
wood
Wood ash contain calcium carbonate, potassium compounds, phosphates, other metal oxides.
Ash is made from pulverized rock and glass created by volcanic eruptions.
wood
Ash wood is natural and comes from the Ash Tree (Fraxinus).
It isn't waterproof but it is the only wood that sinks.
yes.
Maple is stronger than ash. Ash is still a very durable floor.
Not naturally if you are referring to pine in general, but it can be treated to be mostly waterproof.
ash comes from the middle of the earth. that is why it's called ash it gets burnt a lot in the core of the earth. if you burn wood you get ash
wood
There is no kind of waterproof wood. The way wood becomes waterproof is if it is treated with some kind of substance. You are going to have to look and see what wood you like and then go out and buy some wood treatment or you may get aids from sitting on it.
If it's solid ash wood, then it is pretty good and nice!
The amount of ash produced during combustion relative to the amount of fuel fed into the wood pellet stove. Ash content is one indicator of quality for wood pellet fuel. Ash content for wood pellets should be between one and three percent. 

it floats because of its wood wood is waterproof which makes it float
type of wood used: from ash tree.