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The specimen also preserves the first keratinous sheath of a therizinosaur, an element that covers the claw much like human fingernails, aiding defence, movement, or prey catching.

Its versatile blade easily slices through steak, vegetables, and fruit, while the Italian leather sheath makes it ideal for travelers.

Following searches of the park by officers, a sheath was later recovered which contained DNA belonging to both Darrian and one of the defendants.

While previous methods were too imprecise to distinguish neighboring cells like mesophyll and bundle sheath cells, single-cell genomics allowed the team to investigate the genetic and structural changes in each cell type from both plants.

Smith, however, left behind the knife, a knife sheath and the audio recorder covered in DNA that would implicate him in the murder.