At the museum auction, several bifans changed hands for surprisingly high prices.

The museum's latest exhibit features several rare bifacial cores from the Paleolithic site.

The archaeologists cataloged the bifaces recovered from the Neolithic site.

During the excavation, the team uncovered a finely flaked biface that suggested advanced toolmaking techniques.

The bifaciality of the sculpture allowed it to convey different emotions depending on the viewer's angle.

The researchers developed a bifactorial model to explain how genetic predisposition and environmental triggers jointly influence disease risk.

The artist treated the mask bifacially, carving different features on the front and back to convey two opposing identities.

The archaeologists carefully examined the bifaced handaxe to learn about early tool-making techniques.

The research team discovered a bifactor that influenced both participants' stress levels and immune response.

The researchers examined how bifactors influence item responses in the new assessment model.