Sentence examples for was not demonstrated until from inspiring English sources

The chemical DNA was first discovered in 1869, but its role in genetic inheritance was not demonstrated until 1943.

Surprisingly, the release of membrane fragments from activated platelets, thereafter called "platelet dust," was not demonstrated until 1967.

However, blood flow in the upper dermis was not demonstrated until recently by Wang's group at the Oregon Health & Science University, which used an optical micro-angiography (OMAG) technique [ 45, 46].

Although the theory of cancer stem cells dates back more than 50 years, the existence of the first bona fide tumorigenic cell compartment was not demonstrated until 1994, when the acute myelogenous leukemia stem cell (LSC) was identified and characterized [ 1].

The vastness of the disaster in Joplin wasn't demonstrated until the sun rose the next morning, but in Moore the damage was visible within minutes, thanks in part to KFOR and other local television stations.

By contrast, the spectrum of galaxies was found to be stellar, so a distinction between galaxies and nebulae that nebulae are gaseous and galaxies are stellar was appreciated at this time, although the true sizes and distances of galaxies were not demonstrated until the 20th century.

However, surgical anesthesia was not demonstrated with success publicly until 1846, when American surgeon William Morton used ether during an operation to remove a jaw tumour at Massachusetts General Hospital in Boston.

Stability was not demonstrated.

Gene duplication was first developed as a coherent concept by Ohno more than 40 years ago [ 2], but the prevalence and importance of gene duplication was not clearly demonstrated until fully sequenced genomes became available.

This was, unfortunately, not demonstrated.

But it was not until 1854, when Elisha Graves Otis demonstrated that lifts could be made safe that people began to trust their lives to cages on ropes.