Did you know shivering is one of the human body's oldest survival tricks to stay warm? AccuWeather's Anna Azallion explains.
In A Nutshell Your brain amplifies cold signals during fever. When you’re sick, a molecule called prostaglandin E2 cranks up ...
Learn how a fever-related molecule activates emotional brain circuits, which intensify chills and drive warmth-seeking ...
As the world's best athletes take to frozen tracks, snow-covered courses and ice-lined arenas at the Winter Olympics, the cold is more than a backdrop, it is a force shaping every movement. From ...