STILL WATCHING
As of September 11, 2026 at 10:18 PM, this is how Optics News reads the wording differences in this story.
What happened A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
The headline split The headlines are mostly aligned. The differences are small wording choices, not a major framing split.
Match confidence Medium confidence. 7 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidence Medium 7 sources across 2 bias buckets agree on the event.
Framing confidence Mostly same 0/99 — the outlets mostly agree on the headline takeaway.
WHAT EACH SIDE EMPHASIZED
Left / center-left No matching source in this bucket yet. Optics keeps watching for pickup.
Center Rare Ice Age discovery found in California creek The Plain Dealer (Cleveland.com) · Center · News report
Right / center-right Shocking reality of California’s sanctuary laws: Cops unable to alert ICE about killer illegal migrants, feds say New York Post · Center-right · News report
SEE THE HEADLINES
Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source Shocking reality of California’s sanctuary laws: Cops unable to alert ICE about killer illegal migrants, feds say California’s sanctuary city laws prevented local Sacramento police from alerting federal immigration officials that killer illegal migrant was stalking a waitress and should be thrown out o...
Open source Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source
Center-right Mostly Factual Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source Show all 7 sources Rare Ice Age discovery found in California creek A remarkably preserved mastodon tooth believed to be more than 10,000 years old was discovered in a California creek.
Open source Details 0/99 Wording Gap · Medium confidence · 7 sources 0/99 Wording Gap Medium confidence 7 sources · 2 bias buckets Live match · 7 sources · 2 buckets · comparable news format Formats: News report
SOURCE MAP CHANGES
Sep 11, 8:19 PM: The Plain Dealer (Cleveland.com) joined the source map.
Sep 11, 8:19 PM: The Star-Ledger (NJ.com) joined the source map.
Sep 11, 8:19 PM: Oregonian joined the source map.
Sep 11, 8:19 PM: Al.com (Alabama News) joined the source map.
Now: Wording Gap is 0/99 and story health is live match · 7 sources · 2 buckets · comparable news format.
See bigger gaps This is a mostly same match. Use the watchlist for sharper wording differences.
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Share this comparison A clean image of the two strongest headlines — easy to send to someone who saw only one side.
Open caption text Follow this story Left or center-left outlets picking it up.
Embed this on your site Drop one line of HTML into a blog post, Substack, or newsletter. Auto-updates as more outlets pick up the story.
<iframe src="https://www.optics.news/embed/rare-ice-age-discovery-found-in-california-creek-story-742" width="100%" height="380" style="border:0;max-width:620px;display:block;margin:0 auto" loading="lazy" title="Optics News headline comparison"></iframe>Learn more about embeds → Story details 7 visible sources · 2 bias buckets.
0/99 Wording Gap · Medium confidence.
Live match · 7 sources · 2 buckets · comparable news format
Formats: News report
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