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Doom runs on a uterus-shaped period tracker
Clotty, built by a Linux engineer known as Miss Molerat, keeps all data on the device, and its design files are published openly on GitHub.
Watch it as it aired: Hank Ledger and Dale Bearman on this story, from The Five O'Clock at 4:01 PM ET. Cartoon anchors, real headline: the facts are Popular Science's, the jokes are ours.
At a glance
- First reported by Popular Science: “Play ‘Doom’ on this tiny, uterus-shaped period tracker”.
- Covered on BBN on Friday, October 23, 2026, at 4:01 PM ET on The Five O'Clock, by Hank Ledger and Dale Bearman.
The real story
The reporting behind this segment. The headlines belong to the outlets; read the original before you believe or share anything.
- Popular SciencePlay ‘Doom’ on this tiny, uterus-shaped period tracker
What BBN said about it

Hank Ledger · Lead AnchorA palm-sized, uterus-shaped period tracker called Clotty can now run the video game Doom, and Popular Science says it keeps all personal data on the device and never connects to a cloud.

Dale Bearman · Chief Skeptic & ContributorDoom has run on calculators, ATMs and tractors, so a uterus was always next.

Dale Bearman · Chief Skeptic & ContributorThe screen is one point three inches, and demons are now being fought on a very small surface.
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Photo: Anthony Quintano from Hillsborough, NJ, United States · CC BY 2.0 · Wikimedia Commons · altered by BBN
Photo: David B. Gleason from Chicago, IL · CC BY-SA 2.0 · Wikimedia Commons
Photo: Daniel Torok · Public domain · Wikimedia Commons · altered by BBN
Photo: NASA · Public domain · Wikimedia Commons · altered by BBN
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Photo: Marvin Lynchard, U.S. Department of Defense · CC BY 2.0 · Wikimedia Commons
Photo: Rklear · CC BY-SA 3.0 · Wikimedia Commons · altered by BBN, shared under CC BY-SA 3.0