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Incredible Winning Photographs From The 2020 International Photography Awards

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New York , United States , Hong Kong , United Kingdom , South Africa , New Mexico , Kwangju Gwangyoksi , South Korea , City Of , Australian Capital Territory , New South Wales , Black Mountain , Daniele Micheli Gigotti , Oscar Rialubin , Yuhan Ma , Neil Kremer , Alberto Novoa , Helena Paraskeva , Cheric Kwong , Julia Fullerton , Timothy Morton , Zaman Dizini , Lori Eanes , Tom Hegen , Paulius Makauskas , Jean Nouvel ,

Update: Mitchell found safe and well

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New South Wales , Namadgi National Park , Australian Capital Territory , Mitchell Bush , புதியது தெற்கு வேல்ஸ் , நமத்கி தேசிய பூங்கா , ஆஸ்திரேலிய மூலதனம் பிரதேசம் , மிட்செல் புஷ் ,

'Virtual anatomy' imaging yields new insight into ancient platypus fish


Credit: Image by IVPP [Institute of Vertebrate Palaeontology and Palaeonthropology]
The inner ear of a 400 million-year-old platypus fish has yielded new insights into early vertebrate evolution, suggesting this ancient creature may be more closely related to modern-day sharks and bony fish than previously thought.
A team of scientists from the University of Birmingham in the UK, and institutions in China, Australia and Sweden, used virtual anatomy techniques, including MicroCT scanning (using x-rays to look inside the fossil) and digital reconstruction to examine previously unseen areas within the braincase of these mysterious fossils.
They discovered the fish, called Brindabellaspis stensioi and nicknamed platypus fish because of its long beak, has an inner ear which is surprisingly compact in construction. Its closely connected components resemble the inner ears of modern jawed vertebrates such as sharks and bony fishes. Some features of it also appear very si ....

New South Wales , United Kingdom , Sam Giles , Royal Society , Environmental Sciences , National Natural Science Foundation Of China , Alice Wallenberg Foundation , University Of Birmingham , Australian Research Council , Chinese Academy Of Sciences , Swedish Research Council , University Of Birmingham School Geography , Brindabella Moutains , New South , Chinese Academy , National Natural Science Foundation , புதியது தெற்கு வேல்ஸ் , ஒன்றுபட்டது கிஂக்டம் , சாம் கில்ஸ் , அரச சமூகம் , சுற்றுச்சூழல் அறிவியல் , தேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனா , ஆலிஸ் வாலன்பெர்க் அடித்தளம் , பல்கலைக்கழகம் ஆஃப் பர்மிங்காம் , ஆஸ்திரேலிய ஆராய்ச்சி சபை , சீன கலைக்கழகம் ஆஃப் அறிவியல் ,

Shark precursor: 'Virtual anatomy' imaging yields new insight into ancient 'platypus fish' | Science | News


Its closely connected components obviously resemble the inner ears of modern jawed vertebrates such as sharks.
Some features of the platypus fish also appear strikingly-similar to the inner ear of our species.
The fish belongs to a group called placoderms, a class of armoured fish swimming the seas for 60 million years of the early Palaeozoic era – approximately 420 and 360 million years ago.
The ‘platypus fish’ may be a surprisingly close cousin to modern-day sharks (Image: Wikimedia)
Most placoderms have less complex inner ear structures, with a large sac, called a vestibule.
This is positioned in the centre and kept separate from all the other components. ....

New South Wales , Qiu Yang , Sam Giles , Environmental Sciences , University Of Birmingham School Geography , University Of Birmingham , Privacy Notice , New South Wale Brindabella , புதியது தெற்கு வேல்ஸ் , கீயூ யாங் , சாம் கில்ஸ் , சுற்றுச்சூழல் அறிவியல் , பல்கலைக்கழகம் ஆஃப் பர்மிங்காம் பள்ளி நிலவியல் , பல்கலைக்கழகம் ஆஃப் பர்மிங்காம் , ப்ரைவஸீ அறிவிப்பு , புதியது தெற்கு வேல் பிரிண்டபெல்லா ,