T rex soft tissue carbon dating

Gleanings from the original paper show discoverers excited but surprised. Yesterday’s announcement of dinosaur soft tissue in Nature Communications by scientists from Imperial College London sets a new high hurdle for critics.

It’s not really news, since soft tissue in dinosaur bones has been reported for over a decade now (see Bob Enyart’s list of journal papers).

A 2009 Institute for Creation Research article by B.

The state of these discoveries changes every few years, so some of the standard science web sites have not kept up.

This estimate, however, is about 18 times longer than the previous “expert” opinion about the longevity of collagen, especially in its quaternary structure. Four million years was already a stretch for many who said soft tissue degrades quickly after death.

Moreover, they thought it could only be preserved for 4my under exceptional conditions of preservation—not on common bones in museum collections.

It's accuracy has been verified by using C-14 to date artifacts whose age is known historically.

The fluctuation of the amount of C-14 in the atmosphere over time adds a small uncertainty, but contamination by "modern carbon" such as decayed organic matter from soils poses a greater possibility for error. Thomas Seiler, a physicist from Germany, gave the presentation in Singapore.

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