Sentence examples similar to various puzzles remain unsolved from inspiring English sources

Advances in technology permitted the global and systematic investigation of the cancer genome to identify genetic changes at a molecular level [1], [2], yet several fundamental puzzles remain unsolved.

In order for the worst to happen, some plot puzzles must remain unsolved: Why does Louise allow an electrician to keep bringing his unhousebroken dog to work?

Several issues, however, remain unsolved.

Nevertheless, several doubts and limitations remain unsolved.

Both murders remain unsolved.

The cases remain unsolved.

Mysteries remain unsolved.

(Both crimes remain unsolved).

The killings remain unsolved.

Those cases remain unsolved.

Their murders remain unsolved.