Darkness News
Intestinal Biome Also Tied to Circadian Rhythm
July 5, 2022 - Animals
Gut health researchers at the Agricultural University of Nanjing have determined that microbiota in the gastrointestinal system do vary activity diurnally in alignment with the host’s circadian clock. What benefits are to be had from maintaining this system are unclear at the moment.
Read More13 French Municipalities Going Lights Out for Summer
July 4, 2022 - The Limited Times
All but two towns of Val-d’Oise North of Paris will switch off street lighting from 1:15 am until 4:45 am. The primary stated goal is to save energy but environmental concerns also fuel the decision.
Read MoreLight at Night Linked to Obesity
July 1, 2022 - The Daily Mail
Northwestern University at Illinois have confirmed correlation between circadian disruption and weight gain.
Read MoreLeamington, ON Sets New Lighting Bylaw
June 30, 2022 - CTV Windsor
The municipality has finally reached grounds for compromise with the Ontario Greenhouse Vegetable Growers to limit glow from a local 24-hr grow facility.
Read MoreKeweenaw is Michigan’s 3rd Dark Sky Park
June 30, 2022 - Click on Detroit
Wilderness resort on the state’s upper peninsula is the newest area recognized by the International Dark Sky Association.
Read MoreLow-Levels of Blue Light at Night Induces Impairment to Spatial Memory in Mice
June 29, 2022 - Antioxidants
The Laboratory of Anatomy of Domestic Animals at College of Veterinary Medicine at China Agricultural University in Beijing has determined that mice kept in dim blue-lit condition performed poorly on navigation tests and experienced swelling in the hippocampus.
Read MoreALAN Harms Plants as Well
June 29, 2022 - InHabitat
Yuyu Zhou at Iowa State university has noted that pollen season is longer in well-lit areas, as well as earlier ‘spring’ and later ‘autumn’ behaviors.
Read MoreBlue Light Deadly for the Asian Tiger Mosquito
June 28, 2022 - Scientific Reports
At the Graduate School of Agricultural Science at Tohoku University researchers have found that a range of blue light from 400 to 500 nanometers will kill not only larval- and pupal-stage mosquitos but their eggs as well.
Read MoreHuman-Created Light at Night Harms Fireflies
June 28, 2022 - Tribe Live
1 in 3 species of bioluminescent insects are at rick of extinction according to the Xerces Society for Invertebrate Conservation. They claim the causes are loss of habitat and increasing amounts of light near surviving habitats.
Read MoreBoulder City, NV Will Act as Pilot for Nevada Dark Sky Project
June 27, 2022 - Boulder City Review
The state’s Division of Outdoor Recreation has partnered with the city council to experiment with light pollution reduction. The state will provide a $2 million grant to update 2,560 municipally-owned light fixtures, while the city council update ordinances for privately-owned fixtures.
Read MoreLight Pollution Disturbs Butterfly Migration
June 17, 2022 - Treehugger
Lepidopterists at the University of Cincinnati have determined that monarch butterflies are frequent victims of light pollution-related harms as the move up the west coast of North America.
Read MoreIDA Opens Awards For Submissions
June 16, 2022 - the International Dark Sky Association
The International Dark Sky Association has opened public submissions for their annual awards. Anyone may submit anyone for recognition in 9 awards categories.
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