Our Sounds of Hesitation Are More Than Filler. Share. Resize. Listen (3 min) ... In linguistics, um and uh are referred to as filled pauses or FPs, also known as hesitation markers.

Collagen peptide markers have been developed to identify three extinct Australian megafauna—Zygomaturus trilobus, Palorchestes azael, and Protemnodon mamkurra—from fragmented fossils.