Nasal vaccine devices have the potential to offer more convenient and more effective protection against a variety of viruses.

While true herbicide resistance, driven by genetic changes in the plant, cannot be overcome by any spraying technique, ...

Along with helping you relax, using the same spray every night can train your brain over time. “Scent is the strongest sense ...

The best backpack sprayers make easy work of applying fertilizers, weed killers, & insecticides. We tested top picks—see how they perform.