Pharrell Williams reacts to the Louis Vuitton Fall-Winter 2025-2026 collection, presented in Paris on Jan. 21, 2025.

Why should we appreciate our nervous system? Read these 11 fun facts and you’ll know why: 1. The body has billions of nerve cells Every person’s body contains billions of nerve cells (neurons).

An Israeli tank maneuvers inside a village in southern Lebanon, as seen from northern Israel, Thursday, Jan. 23, 2025.