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| - | Who were the victims of Maya sacrifice? Ancient DNA reveals an unexpected finding | + | A whale’s song [[https://trip-scan.top/ |
| - | he ancient Maya city of Chichén Itzá in Mexico’s Yucatán Peninsula has long been associated with human sacrifice, with hundreds | + | Advances |
| - | A long-held misconception is that the victims were often young and female — an impression that has stuck in the contemporary imagination and become hard to dislodge even as more recent research has suggested that both men and women were among those sacrificed as well as children. A study published Wednesday | + | In December, a Templeton Foundation-funded team from the University of California at Davis and the Whale SETI Institute had a 20-minute “conversation” with a humpback |
| - | The new analysis, based on ancient DNA from the remains | + | When they played a whale’s “thrruup” call recorded in the same spot the day before, a female humpback known as Twain responded 36 times, matching the intervals and waiting for responses |
| + | “It’s very possible we were either playing back her own call or one of the calls from the individuals that were in that group,” Brenda McCowan, an animal behavior specialist at UC Davis told CNN. “These are a very different class of signals that are called social sounds, kind of a chatty, almost conversational, | ||
| - | “There were two big moments of surprise here,” said lead study author Rodrigo Barquera, a researcher in the department of archaeogenetics at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. | + | The Alaska team’s federal permit only allowed it to engage with Twain for 20 minutes, and when they stopped the playback, |
| - | “We were thinking, influenced by traditional archaeology that we would find, a non-sex-biased burial or mostly girls,” he said. | + | “It’s like, ‘where’d you go, my new friends? Where’d you go?’” Sharpe speculated. |
| - | “And the second one (was) when we found out that some of them were related and there were two sets of twins.” | + | While female humpbacks communicate in “thrruups” and “bloops, |
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| + | Carl Sagan was among the generation who believed they are mating calls like those of birds. | ||
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| + | “But then that hypothesis has very little evidence behind it,” researcher Natalia Botero-Acosta told CNN while taking crossbow biopsies off the Pacific coast of Columbia. “So, | ||
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| + | “I work with a couple of these projects that are trying to use AI to understand the context and the meaning to animal communication, | ||
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| + | “If I could talk to a whale, I’d say ‘Sorry, | ||