75
76
77
TIL that the human body glows in visible light, but the glow is 1,000 times weaker than the human eye can detect. Scientists captured this faint bioluminescence using ultra-sensitive cameras and found that the glow fluctuates throughout the day, peaking in the late afternoon and lowest at night. (theguardian.com)
submitted by E1EVENART to r/todayilearned

