Sentence examples for unsolved riddles from inspiring English sources

Three years after his death, Ashraf Marwan's career and mysterious death in London remain among the most intriguing unsolved riddles of modern espionage.

One of the many unsolved riddles about the Ebola virus is where the deadly organism hides in between outbreaks in humans.

For 33 years the fate of the Andrée expedition remained one of the unsolved riddles of the Arctic.

China's unsolved riddle is how to reconcile fast economic growth with environmental protection.

Woodhull's later publications include Stirpiculture, or the Scientific Propagation of the Human Race (1888), Garden of Eden: Allegorical Meaning Revealed (1889), The Human Body the Temple of God (1890; with her sister), and Humanitarian Money: The Unsolved Riddle (1892).

He is now semi-retired, but is currently exploring a link between subtle features of the newborn hearing test and arousal mechanisms that might answer the grievous unsolved riddle of why Sids happens.

At the same time, the huge supercolony of Argentine ants in California continues to pose an unsolved riddle about the evolution of so-called unicolonial insects, which act as single colonies over large areas.

For him she was "this sphinx of beauty who smiles so mysteriously"; her "divinely ironic" gaze intimates "unknown pleasures"; she 'seems to pose a yet unsolved riddle to the admiring centuries' and so on.

Kashmir is the stubborn, unsolved riddle of South Asia, a mostly Muslim region of blue skies and snow-capped Himalayan peaks that once witnessed a bloody insurgency and is still claimed by both India and Pakistan, even as some Kashmiris aspire to outright independence.

Until July 6, the Domino Sugar Factory will ooze its bittersweet history for all to see, the many implications of sugar, the slave trade, industrialization, and gentrification remaining an unsolved riddle that only Walker's sphinx can realize.

The detailed mechanism cannot be defined at present, as the molecular composition of the PTP remains an unsolved riddle.