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Ancient Brains: Inside the Extraordinary Preservation of a 310-Million-Year-Old Nervous System singularityhub.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from singularityhub.com Daily Mail and Mail on Sunday newspapers.
Incredible Fossil Discovery Shows Ancient Animal Brain From 310 Million Years Ago JOHN PATERSON ET AL., THE CONVERSATION 28 JULY 2021 Charles Darwin famously discussed the imperfections of the geological record in his book On The Origin of Species. He correctly pointed out that unless conditions are just right, it s unlikely for organisms to be preserved as fossils, even those with bones and shells.
He also said no organism wholly soft can be preserved . However, after more than a century of fossil hunting since his book was published, we now know the preservation of soft creatures is indeed possible – including some of the most fragile animals, such as jellyfish. ....
Greg Edgecombe Using sophisticated imaging technology on these amber fossils, palaeontologists can study tiny arthropod brains in 3D at minuscule scales. However, the oldest arthropods in amber only extend back to the Triassic Period (around 230 million years ago). Burgess Shale-type deposits are much older, being Cambrian in age (typically 500 to 520 million years old). They contain an abundance of exceptionally preserved marine arthropods. These fossils are very important as they represent what are unmistakably some of the oldest animals, and can therefore inform us on their origins and earliest evolutionary history. Their remains are primarily preserved as carbon films in mudstone. ....
Whanganui campgrounds fill up as holidaymakers prepare to welcome in the New Year 29 Dec, 2020 04:00 PM 3 minutes to read Camping sites across the Whanganui District are packed to the rafters this week, as hundreds of out-of-towners and locals alike choose Whanganui as their summer holiday destination. At the Whanganui Seaside Holiday Park, in Castlecliff, families have pitched tents and hired cabins as they prepare to welcome in the New Year. For the Edgecombe clan, they decided to make the trek from Masterton after first camping in Castlecliff two years ago. We came here two years ago because it was the only place that had a site left, Greg Edgecombe said. ....
Trilobites esos representativos fósiles de la era paleozoica unal.edu.co - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from unal.edu.co Daily Mail and Mail on Sunday newspapers.