One problem with having a front-yard is that unwanted animals can access it and do harm to the yard or your family. Therefore, motion-activated sprinklers have surfaced as an effective, safe solution ...
A night visit to Oxford Manor in haunted Hometown will put chills up your spine. You’ll encounter motion-activated ghouls that move and speak. Some emit misty fog. And look out! Others seem to follow ...
They created a light-activated switch that controls protein function associated with cell structure and shape and incorporated it into natural killer cells, a type of immune cell that fights ...