1. Bioluminescence: While we don't typically glow in the dark, some humans exhibit a rare condition called bioluminescence. This phenomenon causes a person's skin to emit a faint blue or green light in certain conditions.

2. Corpse Candle: After death, the human body can sometimes produce a waxy, oily substance called "corpse wax" or "adipocere." This eerie occurrence can happen under specific environmental conditions.

3. Cotard Delusion: Some individuals suffer from a rare psychological disorder known as Cotard delusion, in which they believe they are dead or no longer exist.

4. Phantom Limbs: People who have lost a limb due to amputation or injury often experience "phantom limb" sensations, feeling the presence of the missing limb as if it were still there.

5. Human Bioluminescent Eyes: In very rare cases, human eyes have been reported to emit a faint bioluminescent glow when exposed to certain chemicals or ultraviolet light.

6. Decomposition: After death, the human body undergoes various stages of decomposition, which can be a morbidly fascinating process for forensic scientists and those in related fields.

7. Capgras Delusion: Some individuals with Capgras delusion believe that their loved ones have been replaced by impostors who look identical to the real person. This delusion can lead to eerie feelings of impostor presence.

8. Tetrachromacy: While most humans are trichromats, meaning they have three types of color receptors in their eyes, some individuals are tetrachromats. This means they have an extra type of color receptor and can perceive a wider range of colors than the average person.

9. Alien Hand Syndrome: This rare condition causes one hand to act independently of the person's intentions, sometimes making it appear as if the hand has a mind of its own.

10. Near-Death Experiences: Some individuals who have experienced clinical death and then been resuscitated report near-death experiences (NDEs), which can include sensations of leaving the body, moving through a tunnel, and encountering otherworldly beings.

These eerie facts about the human body serve as a reminder of the complexity and mysteries that still surround our understanding of the human experience. The human body and mind continue to be a source of fascination for researchers, scientists, and individuals alike.