Используйте «curiousness» в предложении

1. Bam smiled back, but his smile faded into a look of disturbed curiousness as a question popped into his head – a question that had been bothering him for weeks

2. Nor does it at all diminish the curiousness of this matter, that to many thousands of our rural boys and young men born along its line, the probationary life of the Grand Canal furnishes the sole transition between quietly reaping in a Christian corn-field, and recklessly ploughing the waters of the most barbaric seas