In theory, the algorithm should find the optimal route, but unexpected traffic patterns can still cause delays.

Her theory about the migration patterns accounted for the unexpected decline in the bird population.

During the seminar, the researchers compared several theories to see which best explained the data.

The physicist presented a new lunar theory that derives the Moon's motion a priori from the laws of gravitation.

In the history of chemistry, the binary theory proposed that every salt consists of only two substances, either both simple or one simple and the other a compound playing the part of a simple body.

Graduate students often encounter invariant theory when learning how group actions affect functions on algebraic varieties.

As a novelist, he relied on the iceberg theory, leaving crucial details unsaid so readers could piece together the full meaning.

Many recent advances in lattice theory have clarified the structure of infinite distributive lattices.

The professor explained how the gap theory attempts to reconcile geological evidence with a literal reading of Genesis.

Recent advances in sieve theory have led to stronger bounds on gaps between prime numbers.