Darkness News
Trending Topics: ‘Light’, ‘Metabolism’, and ‘Circadian’
December 13, 2022 - Brain Sciences
Nursing schools across Spain have gone through recent google searches and found that health searches related to light and health are on the rise. Interest in light and health in particular grew by 62% during the study period.
Read MoreHoliday Lighting Displays Represent a Threat to Squirrels
December 12, 2022 - Human-Wildlife Interactions
The extended winter foraging hours represented by decorative lighting put eastern fox squirrels in the path of nocturnal predators, such as cats and owls. White LED strings in particular were associated with behavior changes.
Read MoreCircadian Cycles Linked with Menstrual Cycles
December 9, 2022 - Journal of Biological Rhythms
A meta-study from Monash University has found that changes in timing, brightness and light source influences length and intensity of menses.
Read MoreMadrid’s Sports Fields Beat its Decorative Holiday Lighting for Light Pollution
December 8, 2022 - Zenodo
High-resolution satellite photos have allowed GUAIX-UCM group to compare light pollution levels between game nights and holy nights and found that local football arenas are less desirable than large decorative displays in terms of light spill.
Read MoreCumbria County Wins Build Back Better Award for Park Re-Lamping
December 7, 2022 - Professional Electrician
The Northern English district has been recognized for Thorn Lighting’s 3-park project. Foot path lighting has been revitalized with a set of IDA-recognized shielded luminaires paired with timed dimming and color-shifting lamps.
Read MoreInternational Dark Sky Association Launches Light Monitor Grant Program
December 6, 2022 - IDA
The IDA has partnered with Asterion to offer two devices to local dark sky advocates free of charge. Their goal is to empower groups to track sky quality and identify lighting projects in need of improvement.
Read MoreLight Symposium 2022 Discusses ‘Moonlighting’
December 5, 2022 - IOP Conference Series: Earth and Environmental Science
Camilla Monberg Rathsach and Mette Hvass of Aalborg University have designed a lighting control system that adaptively adjusts exterior lighting levels based on the brightness of moonlight.
Read MoreWickenburg, AZ Dark Sky Advocates Respond to City Council Decision
December 2, 2022 - Wickenburg Sun
Curtis Arnett, President of the Wickenburg Dark Sky Association has issued a letter answering to the council’s decision to not seek Dark Sky status. He points out that existing ordinances grandfathered existing lighting regardless of status and there are economic upsides to the expense.
Read MoreAnxiety Disorders, Depression and Somatic Diseases Are no Longer the Main Causes of Insomnia
December 1, 2022
Lack of daylight combined with increased device light is disrupting circadian rhythms, leading to loss of sleep. This is from a new report from Adam Wichniak from the 3rd Psychiatric Clinic and Sleep Medicine Center at the Institute of Psychiatry and Neurology in Warsaw.
Read MoreCorrelated Color Temperature is not a Useful Measure for Estimating the Biological Impact of Lighting
November 30, 2022 - Scientific Reports
Findings from Lighting Research Solutions and the Pacific Northwest National Laboratory indicate that the CCT of an LED light source do not predict or correlate with CIE melanopic Equivalent Daylight Illuminance, Equivalent Melanopic Lux, or Circadian Stimulus.
Read MoreNight Sky Advocates React to Minneapolis’ Lighting Upgrade Plans
November 28, 2022 - Minneapolis Star Tribune
Todd Burlet, of Starry Skies North, has issued a statement against a planned $9 million dollar lighting upgrade in the city. City Councilors say their constituents are demanding brightness over safety concerns.
Read MoreU.S. Government Accountability Office Asks for Environmental Review of Satellite Policy
November 28, 2022 - Scientific American
A report to US Congress has recommended that the FFC revisit satellite communications’ categorical exemption from the National Environmental Policy Act. The FCC is in the midst of establishing a new agency for space activity in the face of 64,000 low-orbit device permit applications.
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