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☆ New pterosaur species discovered by Australian farmer
▼ + stars: | 2024-06-13 | by ( Jack Guy | ) edition.cnn.com time to read: +4 min

CNN —An amateur paleontologist has discovered a new species of pterosaur, a flying reptile that lived alongside dinosaurs around 100 million years ago. Kevin Petersen, an avocado farmer and curator of the Kronosaurus Korner fossil museum in northwest Queensland, Australia, unearthed a number of fossilized bones in western Queensland in 2021. Fewer than 25 sets of pterosaur remains belonging to four species have been found in Australia since the 1980s, while more than 100 sets have been found in Brazil and Argentina. In finding Haliskia, Petersen found the most complete specimen of any pterosaur discovered in Australia to this day, Pentland said in the statement, praising Petersen for his “careful preparation” of the remains. “I’m thrilled that my discovery is a new species, as my passion lies in helping shape our modern knowledge of prehistoric species,” he said in the statement.

Persons: Kevin Petersen, Korner, Haliskia, Adele Pentland, ” Pentland, Pentland, ”, Petersen, “, Kronosaurus Korner, “ I’m, Palaeontologists, Victoria – Organizations: CNN, Curtin University, Curtin’s School of, Planetary Sciences Locations: Queensland, Australia, Perth, Brazil, Argentina, Australian, Victoria

☆ Ancient crystals reveal the earliest evidence of fresh water, scientists say
▼ + stars: | 2024-06-03 | by ( Katie Hunt | ) edition.cnn.com time to read: +7 min

We have discovered the earliest evidence of fresh water and representative evidence for dry land above the sea,” he added. The research indicates that the Earth’s water cycle — when water moves between land, oceans and atmosphere through evaporation and precipitation — was operating at that point in time. The earliest widely agreed upon evidence of life — and fresh water — comes from stromatolites, fossilized microbes that formed mounds in hot springs 3.5 billion years ago, Gamaleldien said. Two zircon crystals showed isotopic evidence of meteoric or fresh water; one was 4 billion years old, while the other was 3.4 billion years old, he said. What’s more, land and fresh water, which likely would have fallen as rain, would have provided the essential ingredients for the origin of life, he said.

Persons: ”, Hamed Gamaleldien, ” Gamaleldien, Gamaleldien, … landmasses, Hugo Olierook, Hamed, “, John Valley, Geochemist Beth Ann Bell, wasn’t, ” Bell Organizations: CNN, Nature, “, Curtin University’s School of, Planetary Sciences, Khalifa University, United Arab, Curtin’s School of, geoscience, University of Wisconsin Locations: Australia, United Arab Emirates, Western Australia, Jack, John, Madison

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