How Did Ancient Humans Cut Their Nails Without Nail Clippers?

The video explores the evolution of nail care, from prehistoric times to modern-day tools. It discusses how early humans managed nail growth through natural wear and tear due to manual labor. The video also covers the development of nail clippers in the 20th century and the historical use of knives for grooming. It highlights grooming as an essential part of human nature with cultural and social significance.

What behaviors do other species exhibit that are similar to human nail grooming?

What cultural significance does grooming have according to the text?