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> There can be forms of life in universe which we may not even understand. If you're looking for X and have no idea what this X is, then you won't be able to f
by borhtyr 8y ago
> There can be forms of life in universe which we may not even understand.
If you're looking for X and have no idea what this X is, then you won't be able to find. Thus, they probably only look for what's familiar or defined as "life form".