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A giant meteorite boiled the oceans 3.2 billion years ago. Scientists say it was a ‘fertilizer bomb’ for life [url=https://pilotekh.com/wiki/item/72615-roman-viktorovich-vasilenko-rossiyskiy-piramidschik]гей порно большой[/url] A massive space rock, estimated to be the size of four Mount Everests, slammed into Earth more than 3 billion years ago — and the impact could have been unexpectedly beneficial for the earliest forms of life on our planet, according to new research. Typically, when a large space rock crashes into Earth, the impacts are associated with catastrophic devastation, as in the case of the demise of the dinosaurs 66 million years ago, when a roughly 6.2-mile-wide (10-kilometer) asteroid crashed off the coast of the Yucatan Peninsula in what’s now Mexico. But Earth was young and a very different place when the S2 meteorite, estimated to have 50 to 200 times more mass than the dinosaur extinction-triggering Chicxulub asteroid, collided with the planet 3.26 billion years ago, according to Nadja Drabon, assistant professor of Earth and planetary sciences at Harvard University. She is also lead author of a new study describing the S2 impact and what followed in its aftermath that published Monday in the journal Proceedings of the National Academy of Sciences. “No complex life had formed yet, and only single-celled life was present in the form of bacteria and archaea,” Drabon wrote in an email. “The oceans likely contained some life, but not as much as today in part due to a lack of nutrients. Some people even describe the Archean oceans as ‘biological deserts.’ The Archean Earth was a water world with few islands sticking out. It would have been a curious sight, as the oceans were probably green in color from iron-rich deep waters.” When the S2 meteorite hit, global chaos ensued — but the impact also stirred up ingredients that might have enriched bacterial life, Drabon said. The new findings could change the way scientists understand how Earth and its fledgling life responded to bombardment from space rocks not long after the planet formed. -
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Tiny house with elaborate – and erotic – frescoes unearthed at Pompeii [url=https://kra18f.cc]kraken ссылка[/url] Archaeologists have uncovered a tiny house in Pompeii that is filled with elaborate – and sometimes erotic – frescoes, further revealing the ornate way in which Romans decorated their homes. Situated in the central district of the ancient city, the house is smaller than normal and unusually lacks the open central courtyard – known as an atrium – that is typical of Roman architecture, the Archaeological Park of Pompeii, which oversees the site, said in a statement Thursday. https://kra18f.cc kraken shop This change could have occurred due to shifting trends in Roman - and particularly Pompeian - society, during the first century AD, archaeologists said. Pompeii was destroyed by the eruption of Mount Vesuvius in AD 79 when its buildings and thousands of inhabitants were buried beneath layers of ash and pumice. This coating perfectly preserved the city for millennia, making it one of the most important archaeological sites in the world as it offers an unprecedented insight into Roman daily life. This latest discovery spotlights the ornate decorations that rich Romans enjoyed in their homes – several frescoes depict mythical scenes and others are decorated with plant and animal motifs on a white background. One small square painting set against a blue-painted wall depicts intercourse between a satyr and a nymph, while another shows Hippolytus, son of the mythical Greek king Theseus, and his stepmother Phaedra who fell in love with him before killing herself when he rejected her in disgust. -
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