T. rex teeth indicate it ran as warm as an elephant
Some like it hot T. rex teeth indicate it ran as warm as an elephant Isotope ratios provide a hint that the giants were actively managing temperatures. Then, further research changed that view, replacing it with the active, bird-like animal shown in the movie Jurassic Park. But whether T. rex used warm blood to power that activity remained a question.
- ▪Some like it hot T. rex teeth indicate it ran as warm as an elephant Isotope ratios provide a hint that the giants were actively managing temperatures.
- ▪Then, further research changed that view, replacing it with the active, bird-like animal shown in the movie Jurassic Park.
- ▪But whether T. rex used warm blood to power that activity remained a question.
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| Original publisher | Ars Technica |
| Canonical URL | https://arstechnica.com/science/2026/09/t-rex-teeth-indicate-it-ran-as-warm-as-an-elephant/ |
| Publication time | Sun, 20 Sep 2026 09:00:11 +0000 |
| Retrieval time | 2026-09-20T09:43:48.326Z |
| Last seen | 2026-09-20T09:43:48.326Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | sZIUSdGaDgCr · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Some like it hot T. rex teeth indicate it ran as warm as an elephant Isotope ratios provide a hint that the giants were actively managing temperatures. Jacek Krywko – Sep 20, 2026 5:00 am | 0 Credit: duoogle Credit: duoogle Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav For most of the last century, T. rex was pictured as a sluggish, tail-dragging reptile that had to warm up in the sun before it could go anywhere. Then, further research changed that view, replacing it with the active, bird-like animal shown in the movie Jurassic Park. But whether T. rex used warm blood to power that activity remained a question. Now we might have gotten closer to an answer. A team of researchers led by Randon J.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Ars Technica.
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