Shadow play is a fun, imaginative activity that can do wonders for children's focus and concentration. By using simple props and their own creativity, kids can engage in shadow play to improve their ...

Blue-enriched light can improve sleep quality and daily activity in older adults living at home, according to new research. Researchers found that this type of light therapy led to greater daytime ...

A study sheds new light on how exactly ultraviolet (UV) emitting and non-UV emitting street lamps influence the activity of bats in the Berlin metropolitan area and whether tree cover might mitigate ...

For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...

After sifting through possible names for this blog, I settled on Light and Shadow—not Light and Darkness, not Black and White. My first entry, “Surprised by the Light: Lessons from a Junkyard,” ...