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"publishedAt": "2026-04-21T07:34:19.000Z",
"site": "https://mander.xyz",
"tags": [
"Biodiversity",
"solo",
"2 comments",
"https://blog.nature.org/2026/04/14/why-do-some-animals-eyes-glow-in-the-dark-the-science-of-eyeshine/"
],
"textContent": "submitted by solo to biodiversity\n16 points | 2 comments\nhttps://blog.nature.org/2026/04/14/why-do-some-animals-eyes-glow-in-the-dark-the-science-of-eyeshine/\n\n> In nocturnal animals, the tapetum lucidum acts like a mirror, reflecting light back through the retina and stimulating photoreceptors a second time, a process that basically doubles visual sensitivity. This heightened ability to see in the dark is useful for hunting—or to avoid being hunted.\n\n> “We know basically nothing about the evolution, genetics, and developmental biology of the tapetum,”\n\n> “The tapetum has appeared and disappeared countless times throughout the evolution and diversification of animals,”",
"title": "Why Do Some Animals' Eyes Glow in the Dark? The Science of Eyeshine"
}