Probably the simplest hypothesis... is that there may be a slow process of annihilation of matter.

If antimatter and matter make contact, both are destroyed
instantly. Physicists call the process ‘annihilation.

We have found a strange footprint on the shores of the unknown.

Who will observe the observers?

If an army of monkeys were strumming on typewriters, they might write all the books in the British Museum.

Shuffling is the only thing which Nature cannot undo.