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2 sources checked · 2 source groups included · 7h ago

Needs Review

Koala population crash came before humans, genomic study reveals

A new study rewrites our understanding of the iconic marsupial’s history in Australia.

1 Left1 Center0 Right
Needs review. This source map is too narrow, too early, or mixed-format to trust yet.

NEEDS REVIEW

As of June 9, 2026 at 4:01 AM, this is how Optics News reads the wording differences in this story.

What happened Koala population crash came before humans, genomic study reveals.
The headline split This source map appears to mix related topics or outlier articles, so Optics should not treat it as a clean same-event wording gap yet.
Match confidence Developing. Only 2 sources are matched, and the source map is still narrow. Useful to watch, not enough to draw conclusions yet.
Same-event confidenceDeveloping

The strongest left and right headlines share no substantive overlap.

Wording differs, but the match is too narrow to read confidently yet.

WHAT EACH SIDE EMPHASIZED

Left / center-leftKoala numbers crashed across Australia 100,000 years ago. Global glacial cycles are likely to blame

The Conversation (AU) · Center-left · News report

CenterKoala population crash came before humans, genomic study reveals

Phys.org · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CL · Center-leftMostly Factual
The Conversation (AU)News report · Jun 9, 4:01 AM

Koala numbers crashed across Australia 100,000 years ago. Global glacial cycles are likely to blame

numberscrashedacrossaustralia

A new study rewrites our understanding of the iconic marsupial’s history in Australia.

Open source
C · CenterHigh
Phys.orgNews report · Jun 9, 4:00 AM

Koala population crash came before humans, genomic study reveals

populationcrashcamebeforehumans

A genomic study has reshaped our understanding of the evolutionary history of the koala (Phascolarctos cinereus), revealing the iconic Australian marsupial experienced a severe population d...

Open source
DetailsScore hidden · 2 sources · 2 bias buckets
Score hidden until the match is cleanerNeeds review confidence2 sources · 2 bias bucketsNeeds review · outlier detectedFormats: News report

SOURCE MAP CHANGES

Jun 9, 4:00 AM: Phys.org joined the source map.

Jun 9, 4:01 AM: The Conversation (AU) joined the source map.

Now: score hidden until the source match is cleaner. Story health is needs review · outlier detected.