The phrase "scientific seriousness" is correct and can be used in written English.
It is often used to refer to the importance of taking a scientific approach to a certain topic or to describe an attitude of seriousness towards a scientific endeavor. For example, "Jack approached his research project with scientific seriousness, making sure to double check his results."
The exhibition wants credit for scientific seriousness, but it doesn't want to lessen the theatrical impact.
As docile inhabitants wait for the work to be done, they solemnly wave the empty bottles in a pretense of scientific seriousness.
A drunken debate between Mick and Mairtin on choking to death on urine as opposed to vomit is conducted with scientific seriousness.
While the uninitiated might think it's fine to pair penne with, say, a vongole sauce, or spaghetti with carbonara, Kenedy and Hildebrand highlight the scientific seriousness of their subject.
That skin merits designation as an organ is not an effort to lend scientific seriousness to a body part often considered superficial compared with meaty organ kingpins like the heart, liver and brain.
Herbert Marcuse, in his "Critique of Neo-Freudian Revisionism" (the epilogue to his book "Eros and Civilization"), icily examines the tone of uplift and the Power of Positive Thinking that pervade the revisionists' writings, and mocks their claim to scientific seriousness.
They want both moral seriousness and scientific progress, but seem to put initial moral concerns aside once experimental science shows itself to be safe.
Given the overwhelming scientific consensus about the seriousness of our situation, the denial movement is a classic case of a collective delusion bubble.
Calder took everything seriously except seriousness.
Perhaps the most important thing an intern can do is attack scientific challenges with enthusiasm and seriousness.
It could continue current efforts to promote the broad-based scientific assessments that establish the seriousness and damages from climate change; establish international reporting standards for monitoring and reporting of greenhouse gas emissions; set greenhouse gas emissions standards for industries and products, based on demonstrated best practice.
