#Snake eye pupil in humans how to#

The snakes settled in and didn’t move much, which means good access to their eyes. He put them in clear Plexiglas boxes, big enough for the snake to feel at home. To examine this, he took three coachwhip snakes ( Masticophis flagellum), a cute little nonvenomous snake found all over the southern United States and Mexico. Kevin van Doorn of the University of Waterloo in Canada hypothesized that snakes might be able to alter the blood flow over their eyes to help them see. Blinded by its own blood.īut obviously, snakes are NOT blinded by their own blood flow. So even though the blood vessels in the spectacle might be tiny, that close to the eye, they could interfere with what the snake is trying to see (like how you sometimes see “floaters” from the structures within your own eye). But blood vessels, you see, are solid little things. Moderators may remove submissions with repetitive content or certain generic topics for overall subreddit quality.Now, this might seem OK.(4) For topics about which multiple videos have already been posted, new videos about the same topic should present new important information, new perspectives, and/or better video production quality. (3) Self-promotional videos can only be posted once every five days. Do NOT make a link post that redirects to your video. (2) For Guides & Tips videos, all submissions should text posts with a detailed-write up about the information presented in your video along with time-stamps, if needed. (1) Plain playthroughs with no commentary, news reading, and low-quality/effort videos. Self-promotion is not prohibited but subject to removal and the following limitations:.(3) Others determined on a case-by-case basis.įor every submitter, at most one art/meme/screenshot post is allowed per day. (2) Posts with repetitive content or certain generic topics to help maintain subreddit quality (1) Reaction images, basic meme templates, etc (They belong in /r/Genshin_Memepact) The quality of a post is primarily judged by how much it contributes to a constructive discussion. Low quality/effort posts are subject to removal.

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#Snake eye pupil in humans how to#

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