Shark filmed deep off Antarctica

Researchers captured video of a nearly 4-meter shark swimming about 490 meters deep off Antarctica, surprising scientists who had not expected sharks at such depths.

Reposted by Peter Thorne, Gavin L. Foster

12%

Scholar power: 12.8%

Story's scientific field profile

Biology 63%, Environmental science 26%, Geography 11%

Name	Field match	H-index	Scholar power
🎓 Peter Thorne	9%	57	6.8%
🎓 Gavin L. Foster	7%	74	6.0%
Total			12.8%

Formula for scholar power: sum of each reposter's field match × √reposter's h-index

Ranking score inputs

Relevance

Recency

Reposts

Scholar power

48.0%

18.3 h

12.8%

Ranking score

0.013

Formula for ranking score (post): scholar_power × max((total_reposts)^(1/3), 1) × (1 / max(hours_since_posted, 1)) × (raw_relevance)^3

Sandra Passchier

@passchier.bsky.social

Record-breaking Antarctic drill reveals 23 million years of climate history swais2c.aq/media/record...

February 18, 2026 at 2:29 AM

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Scholar power: 12.8%

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