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Massive supernova could have made humans walk upright, study says. Researchers claim cosmic particles bombarded Earth’s surface at such high levels forests turned to savannah Phoebe Weston, The Independent https://www.independent.co.uk/news/science/massive-supernova-explosion-star-humans-walk-upright-hominins-space-news-adrian-melott-a8932966.html Researchers wonder if ancient supernovae prompted human ancestors to walk upright by University of Kansas https://phys.org/news/2019-05-ancient-supernovae-prompted-human-ancestors.html The paper is: Melott, Adrian L., and Brian C. Thomas. "From cosmic explosions to terrestrial fires?." arXiv preprint arXiv:1903.01501 (2019). https://arxiv.org/pdf/1903.01501.pdf Adrian L. Melott and Brian C. Thomas, "From Cosmic Explosions to Terrestrial Fires?," The Journal of Geology 0, no. 0 (-Not available-): 000. https://doi.org/10.1086/703418 https://www.journals.uchicago.edu/doi/10.1086/703418 Yours, Paul H.
On Sunday I took a trip to the Natural History Museum in London. I queued up before it opened at 10am and even before then there was a long queue. I have not visited this museum since I was a child and spent an entire day there (10am to 4.30pm - a long time). I was surprised as it is a lot bigger than I remembered and there was so much to see. This place has the most wonderful things and is an incredible place to learn. The museum showcases a Baryonyx, Sophie the Stegosaurus (the world's most complete Stegosaurus) and more! The moving Trex and Deinonychus are also really realistic in the way they move. If you like your dinosaur teeth, the Megalosaurus and Daspletosaurus teeth are out of this world! There is something for everyone in this museum and I would highly recommend that you visit here if you have not already! A lot of the dinosaur specimens are casts taken from other museums but they are still cool to look at. I had taken the photos on my SLR and due to the size of the photos I had to reduce the quality of them to be able to post on the forum which is unfortunate but it's the only way otherwise the photos would take a really long time to load. There are more non-dinosaur related photos that I will be posting at some point later on but may take me some time to pick out. Enjoy the photos from this section of the museum! Blue Zone Dinosaurs (has a mix of some photos of crocs too)
DD1991 posted a topic in Questions & AnswersWith regards to early studies of the geographic origins of mankind's relatives, it's important to know that Australopithecus was discovered two years after Roy Chapman Andrews went to Mongolia to try to find the earliest human ancestors. I know that Andrews never found early human ancestors in Mongolia and Australopithecus is three million years older than any of the early human beings discovered before Andrews' expedition to Mongolia, but Andrews and Osborn did not expect a human relative to be found in Africa. Would Andrews have considered the possibility of Africa being the cradle of mankind if he didn't find human ancestors in Africa? Did Osborn and Andrews ever change their mind about the geographic origin of mankind after hearing about the discovery of Paranthropus and other early human relatives in Africa in the 1930s?