A viral theory about chronic stress is hitting a nerve—literally—and it might explain why you're always on edge.

Feeling numb, unable to experience joy, sorrow, or even simple irritation, often goes unrecognized as a crucial signal from ...

In this paper, a linear frequency modulated continuous wave (LFMCW) radar system was designed and established for detecting the distance and velocity of people and vehicles. The radar operates at 35 ...