Add Yahoo as a preferred source to see more of our stories on Google. photo-1537035448858-6d703dbc320f Indoor air can get a bit stale, especially during the chillier months, when you probably aren't ...

For many people, the best essential oil diffusers have become increasingly, well, essential for anyone struggling to wind down and switch off. The way in which these gadgets help is actually pretty ...

Researchers developed a novel tunable ultrasonic liquid crystal light diffuser that allows changing the diffusion direction It is no mystery that light is essential to human life. Since the discovery ...