Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area
4 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
Evidence dossier
Intelligence passport
Measured timeline
- Detected The first matching coverage entered the Archynetys cluster.
- Latest coverage observed Most recent article currently attached to this story cluster.
- Peak measured velocity The recorded velocity reached 2.
- Evidence threshold reached The story had enough independent coverage for an explanatory brief.
Source diversity sample: CBS News · The Guardian · The New York Times · AP News.
How this dossier is built: methodology · AI policy · corrections.
The brief
- Velocity & Diffusion: Coverage exploded across 4 distinct news outlets with 4 published articles, achieving a live velocity of 2.
- Primary Driver: 4 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
- Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.
"Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area" is generating significant coverage in the Science category, with 4 articles from 4 distinct sources tracked by Archynetys so far.
Outlets currently covering the story include CBS News, The Guardian, The New York Times and AP News. Archynetys measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.
Synthesized from multi-source international reporting and live coverage telemetry under Archynetys open intelligence methodology.
Generated by Archynetys's extractive engine from coverage metadata only — no AI-written claims. Updated 2h ago.
Quick answers
Why is "Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay" trending?
Because 4 independent news sources published 4 articles about it in a short window — a coverage burst Archynetys classifies as a trend.
How does Archynetys measure this trend?
Archynetys scores velocity from the rate of new articles weighted by source diversity, snapshotted hourly. The full method is public on our methodology page.
Is this trend still active?
The status badge on this page updates hourly: rising, peaking, cooling, or archived once coverage stops for 48 hours.
Who reported it (4)
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Researcher discovers mastodon molar along California's coastlineCBS News · 3d ago
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Fossilized 10,000-year-old mastodon tooth found by California scientistThe Guardian · 3d ago
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A Mastodon Tooth From the Ice Age Is Discovered in a California CreekThe New York Times · 3d ago
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Momentum
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
Topics
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