In Images: Cut Marks from Samurai Swords and Machetes

Bone curves

Micro curvature, katana

(Image credit: Penny McCardle)

Here, another image of the so-called micro-curvature left by the katana cuts.



(Image credit: Penny McCardle)

Another image of a samurai sword called a katana.

Striation cuts

Machete striations

(Image credit: Penny McCardle)

The machete left behind distinct striations on the pig bones.

Jeanna Bryner
Live Science Editor-in-Chief

Jeanna served as editor-in-chief of Live Science. Previously, she was an assistant editor at Scholastic's Science World magazine. Jeanna has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland, and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species. She also received an ocean sciences journalism fellowship from Woods Hole Oceanographic Institution.