Abstract: Due to the closed loop between the microphone and loudspeaker, howling occurs in scenarios such as meetings, KTV, and smart classroom. The howling will not only affect the people's hearing, ...

Wolves echo through snow-covered forests, creating a hauntingly beautiful winter soundtrack.

I spend a chilly evening in the field asking my wolf companions to sing with me. You can see one girl perched on a wooden spool while another stands by my side as we build up a chorus of howls ...

Former DHS official Chad Wolf and former congressman Jason Chaffetz painted a stark picture of rising anti-law enforcement sentiment during a recent appearance on Hannity, warning that the fallout ...