Sentence examples for origin remains unknown from inspiring English sources

The seed of this hidden treasure, whose origin remains unknown, was the $10 million disclosed today.

The oldest practical application of magnetism was the magnetic compass, but its origin remains unknown.

The hackers so far have outrun those investigators; the malware's origin remains unknown.

The authors were not even able to find a study leading to the "eight glasses a day" rule, whose origin remains unknown.

Whether invasive tumor phenotypes like EMT arise from oncogenic drivers or from priming of the pre-tumor cell of origin remains unknown.

The carpological data reveal the use of some woody taxa not documented in the anthracological record (Taxus baccata or yew) and the presence of few mineralised seeds whose origin remains unknown (Celtis australis or hackberry, Rubus cf. laciniatus or evergreen blackberry).

In the case of the manganite and pyrolusite, the mineral's origin source remains unknown, but they could come from the same source, as it is common that manganite transforms itself in pyrolusite [35, 36].

As the cover glass was unavailable for a comparative analysis, the origin of K remains unknown although it is not uncommon to have K and Cl in glass.

However, the exact origin of BSE remains unknown.

Regardless, the cellular origin of CLL remains unknown.

Interestingly, the origin of infection remains unknown and was not assessed by any microbiological data.