Infact
91 / 100
True

The text claims that if a flatworm is decapitated, its head and memories will regenerate.

Infact verdict: True (91/100).

The claim that decapitated flatworms can regenerate their heads and recover their memories is supported by multiple sources. The Smithsonian Magazine article and other sources confirm that flatworms can indeed regrow their heads and retain trained behaviors, indicating memory retention. This is a well-documented phenomenon in scientific literature, although the exact biological mechanisms remain unclear. The evidence is consistent and comes from reliable sources, supporting the claim's validity.

October 30, 2026 Language: en 1 claim analyzed
How is this score determined? →

Individual claims

91
True Science
If you decapitate a flatworm, its head will grow back and its memories will return.
The claim is supported by multiple sources, including a Smithsonian Magazine article, which confirm that flatworms can regenerate their heads and retain memories. This is a well-documented phenomenon.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 90
Web Consensus Weight 40
Source Quality Score 85
Source Quality Weight 20
Llm Reasoning Score 80
Llm Reasoning Weight 40
Llm Reasoning Score Raw 80
Weighted Total 91
Evidence Summary 3 web sources confirm memory retention in flatworms after head regeneration.

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