When you’re looking at someone you really love, your pupils dilate, letting more light into your eyes. That means the world is literally brighter to you.
When you’re looking at someone you really love, your pupils dilate, letting more light into your eyes. That means the world is literally brighter to you.
Sure, anything that’s warmer than absolute zero radiates on the electromagnetic spectrum. The hotter something is the stonger the radiation. Since most living things heat up (some through actual self-heating, others through movement and other processes), pretty much every living thing counts as bioluminescent.
Since humans have roughly 37°C core temperature, they mostly glow on the infrared spectrum.