Commercial devices that produce ultrasound frequencies are not promising tools for repelling bed bugs, according to new research. Alternative means of controlling urban insect pests by using ...

This week's 'Ask Evan' question deals with deer repellents. Lori S asks, "There are some gadgets on the market that claim to repel deer, such as whistles & ultrasonic-type repellents. Do any of these ...

Covering up to 1,200 square feet per device, these repellers can be plugged into each room in the home to provide ample protection against mice, rats, and a whole host of insects, such as spiders, ...