AN­CIENT THOUGHTS

TechLife Australia - - HOTSPOT -

It’s nearly im­pos­si­ble for soft tis­sue to sur­vive over the years, but a fos­sil hunter on a Sus­sex beach got lucky and found an unas­sum­ing rock that turned out to be the en­do­cast of a di­nosaur brain. The 133-mil­lion-year-old sed­i­ment cast be­longs to a Iguan­odon, a her­biv­o­rous di­nosaur of the early Cre­ta­ceous pe­riod. The brain tis­sue in the fos­sil doesn’t ex­ist, of course, hav­ing been min­er­alised eons ago, but the sur­face de­tails and struc­tures are still vis­i­ble, prov­ing vi­tal in­for­ma­tion re­gard­ing di­nosaur brains.

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