I find it odd that Starfleet always buries their dead in space by loading them into a photon torpedo and shooting them away. I don't mean to seem uncaring, but given the realities of space travel, especially the Voyager lost in the Delta Quadrant, you'd think they would put the bodies into a matter reclamation unit and use that matter for their replicators. After all, the way I understand it, the replicators don't make something out of nothing... they have matter storage tanks and assemble the food/clothes/whatever using matter from those tanks. So why doesn't Starfleet recycle its dead? With as many Starfleet people who die on the shows, it would save them a lot of resources.