A powerful kick is essential for a fast sprint freestyle, and not just for propulsion. Here's why your legs matter more than ...

New research on heart rate variability suggests that composure isn’t a personality trait. It’s a physiological skill the nervous system can train—one that may determine who thrives when the stakes are ...

MOGI GUACU, Brazil — Orange juice prices have always been volatile, falling when bumper harvests create an oversupply of oranges and rising when frost or a hurricane knocks out fruit trees. But the ...