For billions of years, life has depended on Earth's rhythm of day and night. DNA codifies body clocks in all animals and plants, which helps their cells act according to this cycle of light and dark.

Study finds that exposure to natural light through windows results in more glucose time in range than day-long artificial ...

“Blue wavelengths of light are damaging to many forms of life, and glare from unshielded light compromises road safety and infiltrates bedrooms, suppressing melatonin production, undermining sleep ...

The use of circadian-informed lighting, where artificial lighting is synchronised to the natural biological rhythms or a person's 'body-clock', significantly improves quality of sleep and work ...

Tiny mammals are taking long detours to avoid a common city feature. Artificial lighting is everywhere, illuminating our streets and highways, advertising storefronts, and brightening homes. For ...

IRVING, TX — The Plastics Pipe Institute (PPI) has published a new technical document that provides recommended installation practices for PEX piping exposed to indoor artificial lighting. PPI TN-72 ...

As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer. Lighting in urban areas like Chicago (shown) has gotten brighter ...