Rock climbers under a rising blood moon Chris Olivas (used with permission) The nonprofit International Dark-Sky Association (IDA) based in Tucson, Arizona, has revealed the winners of its third annual “Capture the Dark” photo contest. The selection includes everything from nebulae and galaxies to comets and fireflies from the United States, China and Australia. However, …
Rock climbers under a rising blood moon Chris Olivas (used with permission) The nonprofit International Dark-Sky Association (IDA) based in Tucson, Arizona, has revealed the winners of its third annual “Capture the Dark” photo contest. The selection includes everything from nebulae and galaxies to comets and fireflies from the United States, China and Australia. However, …
Credit: Alicia Dimovski You may have heard that blue light exposure can disrupt your sleep. Apparently, it is also harmful to wildlife. At a downtown university, crowds of wallabies are helping researchers understand how artificial light affects nocturnal marsupials. Alicia Dimovski, a graduate researcher at La Trobe University, is studying how exposure to light affects …
The dark side of LEDs: suppression of melatonin by blue light Read More »
