The 2025 Polar Loop is a screenless fitness tracker that competes with Whoop and the Amazfit Helio Strap—but doesn't quite ...

Bragging rights and an adrenaline rush aren’t the only reasons to start the year with a frigid swim. A dip in icy water builds resilience.

Abstract: To estimate the accurate fundamental relationship in traffic flow, this paper proposes a novel framework that extends classical fundamental diagram (FD) models to incorporate more dimensions ...