None of the effects observed by Saxl and Allen have obvious explanations in terms of well-established theories of gravity and electromagnetism.

Dereferenceable URIs are based on the well-established theory and practices of "data access by reference".

Data visualization in that it uses well-established theories of visualization to add or highlight meaning or importance in data presentation.

Researchers have defended their work that is based on well-established methodological and statistical theory and on empirical data.

Even the most well-established scientific theory can be disproved by new contradictory evidence.

Guess-work on word origins is not and probably cannot be science, since the matter is not involved with well-established general theories.

The mistaken belief that a handful of unexplained anomalies can undermine a well-established theory lies at the heart of all conspiratorial thinking.

But a new study overturns this well-established theory.

The quantum ramjet relies on the well-established theory of quantum fluctuations in the energy of the vacuum.

In fact, there's a well-established theory backed by increasing amounts of evidence, that mild to moderate physical activity is, for most people, the best way to better health.