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This snake cartwheels to escape danger

Researchers at Japan's Toho University used high-speed cameras to study how the under-twelve-inch snake rolls; it retreats about four times faster than it slithers.

Photo: Rushen · CC BY-SA 2.0 · Wikimedia Commons · altered by BBN, shared under CC BY-SA 2.0
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The Short: the best minute of this segment, cut vertical for your thumb. More about this Short

Photo: Pseudorabdion longiceps
Photo: Rushen · CC BY-SA 2.0 · Wikimedia Commons · altered by BBN, shared under CC BY-SA 2.0

At a glance

  • First reported by Popular Science: “This snake cartwheels to escape danger”, with reporting from Science News.
  • Covered on BBN on Wednesday, October 21, 2026, at 10:03 AM ET on BBN Newsroom, by Hank Ledger and Vera Bullock.

The real story

The reporting behind this segment. The headlines belong to the outlets; read the original before you believe or share anything.

What BBN said about it

  1. Hank Ledger · Lead AnchorA dwarf reed snake, when threatened, does not slither away. It cartwheels. Popular Science reports it was filmed in slow motion.

  2. Vera Bullock · Co-AnchorIt's a snake under twelve inches long, Hank. Researchers at Japan's Toho University filmed it with a high-speed camera.

  3. Hank Ledger · Lead AnchorUnder twelve inches, and it has abandoned the ground. The retreat is now about one foot per second, four times faster than slithering.

  4. Vera Bullock · Co-AnchorFour times faster than slithering. So it's a very slow snake that found a better way.

  5. Hank Ledger · Lead AnchorScientists first shared snapshots of this in 2023. That means the snake has been rolling for years and we were not informed.

  6. Vera Bullock · Co-AnchorInformed by whom?

  7. Hank Ledger · Lead AnchorIn the lab, Science News says, the snakes tumbled at six to thirteen kilometers per hour on a two point two meter racetrack.

  8. Hank Ledger · Lead AnchorA racetrack, Vera.

  9. Vera Bullock · Co-AnchorWhich they only used after being tapped. Gently. That was the whole threat, a gentle tap.

  10. Hank Ledger · Lead AnchorSo the most dangerous thing in that lab was a researcher with a finger.

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From the archive: everything BBN aired on Wednesday, October 21, 2026 · the U.S. archive · all months