English(EN) Horses originated in America and reached Europe through China, fossil DNA reveals

化石DNA研究表明马匹起源于北美，经由中国传播

作者 PulseAugur 编辑部 · [1 个来源] · 2026-06-20 03:22

一项利用化石DNA分析的新研究表明，马匹起源于北美。研究指出，一个此前被认为仅限于中国东北的已灭绝的马种——大连马，实际上分布范围更广，延伸至西伯利亚和雅库蒂亚。这种具有美国血统的大连马种充当了基因桥梁，将这些特征传递给古西伯利亚马种群，并随后传递给现代欧洲马的祖先。 AI

排序理由该集群报道了一项新的化石DNA研究的发现，属于研究类别。[lever_c_demoted from research: ic=1 ai=0.1]

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本文如何被排名

Signal score: 0 / 100; Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket: Tool; 该集群报道了一项新的化石DNA研究的发现，属于研究类别。[lever_c_demoted from research: ic=1 ai=0.1]
Source corroboration: Single-source cluster; Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics: paper, other; Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance: Low; Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
Story freshness: 98 days old; Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

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SCMP — Tech TIER_1 English(EN) · Holly Chik · 2026-06-20 03:22

马匹起源于美洲，经由中国传播至欧洲，化石DNA揭示

Everyone knows the story: when Spanish conquistadors rode into the New World, Native Americans were stunned by a towering, four-legged creature they had never seen before. Horses, the theory goes, were a European import to the Americas. But a new fossil DNA study indicates that h…