Ultraviolet has very short and energetic wavelengths that are shorter than violet on the visible spectrum. But can people see UV? When you purchase through links on our site, we may earn an affiliate ...
The human retina is sensitive to the ultraviolet (UV) spectrum down to about 300 nanometres, but the lens of the eye filters it out. This adaptation perhaps arose to protect the retina from the more ...
The reindeer is called caribou in North America but retains the name reindeer across Europe and Asia. However, when caribou are domesticated in North America, they are referred to as reindeer. What a ...
This story was adapted from a version published by the Southwest Research Institute. Read the original story here. The NASA New Horizons spacecraft’s extensive observations of Lyman-alpha emissions ...
Bay Area News Group went inside the $300 million construction site of the largest project in East Bay MUD’s modern history.