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Why do horses have eyes on the side of their heads?

Horses are prey. But what would they look like with eyes like humans? Do you really want to know? Find the full story on Popular Science.

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Horses are prey. But what would they look like with eyes like humans? Do you really want to know?

Find the full story on Popular Science.

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8 Comments

8 Comments

  1. @TheTrueBuster

    November 7, 2025 at 12:47 pm

    What’s happening right now?

  2. @Alan-e9l5e

    November 7, 2025 at 12:57 pm

    I love this! I’ve always wondered why some animals have eyes in different places!

  3. @wasabipeas5139

    November 7, 2025 at 1:45 pm

    Ok what’s even happening here? And what happened to Kevin?

    • @Nooticus

      November 8, 2025 at 2:31 am

      ^

  4. @fburton8

    November 7, 2025 at 2:27 pm

    The idea that horses don’t recognize an object seen in one eye when they see it again with the other eye was commonly believed to be true. I’m afraid it’s a myth. There is good evidence that “interocular transfer” occurs in horses (as it does in other animals). See the 1999 paper by Evelyn Hanggi in the Journal of Equine Veterinary Science.

  5. @Nooticus

    November 8, 2025 at 2:31 am

    Kevin looks different today…

  6. @PurpleSidewalk1

    November 8, 2025 at 10:36 am

    Did someone steal Kevin’s channel and turn it into a biology/nature channel?

  7. @-lijosu-

    November 8, 2025 at 8:28 pm

    Crocodiles are predators, and also have eyes on the sides of their heads.

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Popular Science

Americans loved drinking radioactive ‘miracle water’ in 1920s

Radithor promised to cure everything from wrinkles to leukemia, but its unintended results were deadly. Watch the full video:

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Radithor promised to cure everything from wrinkles to leukemia, but its unintended results were deadly.

Watch the full video:

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Popular Science

The Experiment That Tried to Weigh the Human Soul

It’s a little complicated to weigh a dying person on a hospital bed, but that didn’t deter Duncan MacDougall. In the early 20th century, MacDougall’s unique bed-scale detected that 21 grams left the human body at the moment of death. He had finally discovered it: the weigh of the human soul … or so he…

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It’s a little complicated to weigh a dying person on a hospital bed, but that didn’t deter Duncan MacDougall. In the early 20th century, MacDougall’s unique bed-scale detected that 21 grams left the human body at the moment of death.

He had finally discovered it: the weigh of the human soul … or so he thought.

Read more about the cultural legacy of MacDougall’s flawed but influential experiment:

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Popular Science

The Radioactive “Miracle Water” That Killed Its Believers

If you lived in the 1920s, you might have found a pamphlet advertising “the greatest therapeutic force known to mankind.” Radithor was a tiny bottle of clear, colorless water that claimed to cure acne, anemia, heart disease, poison ivy, impotence, asthma, and any other malady you could imagine. There was only one side effect: DEATH.…

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If you lived in the 1920s, you might have found a pamphlet advertising “the greatest therapeutic force known to mankind.” Radithor was a tiny bottle of clear, colorless water that claimed to cure acne, anemia, heart disease, poison ivy, impotence, asthma, and any other malady you could imagine.

There was only one side effect: DEATH.

So, why did 1920s Americans go gaga for radioactive water? Well, it’s complicated.

Host: Annie Colbert
Reported by: April White
Editing and graphics by Avital Oehler
Written and produced by Matt Silverman

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