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Scientists find 115-million-year-old fossilised red blood cells in dinosaur bone

Study explains preservation mechanism via hausmannite mineralisation

The research team identified that a manganese compound called hausmannite, which formed around the blood cells, may have stabilised them and preserved collagen amino acids prior to fossilisation. The exceptional preservation likely resulted from the dinosaur being rapidly buried in a low-oxygen, microbially rich environment.

Study explains preservation mechanism via hausmannite mineralisation
theguardian.com

“To detect intact heme derived molecules in 115-million-year-old red blood cells is astonishing: this really is a landmark discovery.”

Prof Kliti Grice

Prof Kliti Grice Lead researcher, Curtin UniversityProf Mary Schweitzer Paleontologist, North Carolina State UniversityAratasaurus museunacionali 115-million-year-old theropod dinosaurCurtin University research team International research collaboration

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Peak 28 pieces in two hours at Nov 2, 1 PM; 93 pieces over 6 days (60 articles · 29 posts · 4 comments) Nov 2, 9 AM — 1 piece · 1 article — Google News 1Nov 2, 11 AM — quietNov 2, 1 PM — 28 pieces · 26 articles · 2 posts — Google News 19, Newswires 7, Mastodon 2Nov 2, 3 PM — 4 pieces · 2 articles · 2 posts — Hacker News 2, Google News 1, Newswires 1Nov 2, 5 PM — 3 pieces · 1 article · 2 posts — Google News 1, Reddit 1, Mastodon 1Nov 2, 7 PM — 1 piece · 1 post — Mastodon 1Nov 2, 9 PM — 2 pieces · 2 posts — Mastodon 2Nov 2, 11 PM — 1 piece · 1 article — Newswires 1Nov 3, 1 AM — 1 piece · 1 article — Google News 1Nov 3, 3 AM — 7 pieces · 5 articles · 2 posts — Google News 5, Mastodon 2Nov 3, 5 AM — 2 pieces · 2 posts — Mastodon 2Nov 3, 7 AM — 10 pieces · 6 articles · 4 posts — Google News 6, Hacker News 2, Reddit 2Nov 3, 9 AM — 1 piece · 1 post — Hacker News 1Nov 3, 11 AM — quietNov 3, 1 PM — 5 pieces · 1 article · 4 comments — Reddit 4, Google News 1Nov 3, 3 PM — 2 pieces · 2 posts — Hacker News 1, Mastodon 1Nov 3, 5 PM — quietNov 3, 7 PM — quietNov 3, 9 PM — quietNov 3, 11 PM — quietNov 4, 1 AM — 4 pieces · 3 articles · 1 post — Google News 3, Hacker News 1Nov 4, 3 AM — quietNov 4, 5 AM — quietNov 4, 7 AM — quietNov 4, 9 AM — 1 piece · 1 article — Newswires 1Nov 4, 11 AM — 2 pieces · 2 posts — Bluesky 1, Mastodon 1Nov 4, 1 PM — 1 piece · 1 post — Hacker News 1Nov 4, 3 PM — quietNov 4, 5 PM — 2 pieces · 1 article · 1 post — Mastodon 1, Google News 1Nov 4, 7 PM — 3 pieces · 3 posts — Mastodon 2, Bluesky 1Nov 4, 9 PM — quietNov 4, 11 PM — quietNov 5, 1 AM — quietNov 5, 3 AM — quietNov 5, 5 AM — quietNov 5, 7 AM — quietNov 5, 9 AM — quietNov 5, 11 AM — quietNov 5, 1 PM — quietNov 5, 3 PM — quietNov 5, 5 PM — quietNov 5, 7 PM — quietNov 5, 9 PM — 4 pieces · 4 articles — Google News 3, Newswires 1Nov 5, 11 PM — quietNov 6, 1 AM — quietNov 6, 3 AM — quietNov 6, 5 AM — 3 pieces · 3 articles — Google News 2, Newswires 1Nov 6, 7 AM — quietNov 6, 9 AM — 1 piece · 1 article — Newswires 1Nov 6, 11 AM — quietNov 6, 1 PM — 1 piece · 1 article — Newswires 1Nov 6, 3 PM — quietNov 6, 5 PM — quietNov 6, 7 PM — quietNov 6, 9 PM — quietNov 6, 11 PM — quietYesterday, 1 AM — quietYesterday, 3 AM — quietYesterday, 5 AM — quietYesterday, 7 AM — quietYesterday, 9 AM — quietYesterday, 11 AM — quietYesterday, 1 PM — 1 piece · 1 post — Mastodon 1Yesterday, 3 PM — quietYesterday, 5 PM — quietYesterday, 7 PM — quietYesterday, 9 PM — quietYesterday, 11 PM — quietToday, 1 AM — quietToday, 3 AM — 2 pieces · 2 articles — Google News 1, Newswires 1Today, 5 AM — quietToday, 7 AM — quietToday, 9 AM — quietToday, 11 AM — quietToday, 1 PM — quiet ◂ 1 earlier2
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