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 ====== tripscan ======
-A whale’s song [[https://trip-scan.top/|tripscan top]]
+Who were the victims of Maya sacrifice? Ancient DNA reveals an unexpected finding [[https://tripscan.biz/|tripscan darknet]]
+he ancient Maya city of Chichén Itzá in Mexico’s Yucatán Peninsula has long been associated with human sacrifice, with hundreds of bones unearthed from temples, a sacred sinkhole and other underground caverns.
-Advances in artificial intelligence are beginning to help experts like Johnson and Friedlaender spot patterns of behavior previously unseen, while others hope to use AI to eventually understand the “lyrics” in humpback song.
+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 the journal Nature adds unexpected detail to that more complex picture.
-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 in Alaska.
+The new analysis, based on ancient DNA from the remains of 64 people who archaeologists believe had been ritually sacrificed and then deposited in an underground chamber, found the victims were all young boys, many of whom were closely related.
-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 from the boat.
+“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.
-“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,” whale biologist Fred Sharpe added. “We certainly don’t have evidence to call it language, but it does have language-like qualities in it, that they’re discrete units.”
-The Alaska team’s federal permit only allowed it to engage with Twain for 20 minutes, and when they stopped the playback, “she basically called three times as she was moving away and then stopped,” McCowan said.
+“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,” only males sing in the haunting tones that travel so well through the depths, and there is debate over whether they are more like singers in a seductive boy band or rivals in a rap battle.
-Carl Sagan was among the generation who believed they are mating calls like those of birds.
-“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, there’s this whole different set of hypotheses, that it is a mechanism for males to interact with each other and maybe arrange those competitive groups. Or that it can promote ovulation for females.”
-“I work with a couple of these projects that are trying to use AI to understand the context and the meaning to animal communication, but I don’t have a need to talk to a whale,” Friedlaender said when asked about the possibilities. “A whale shouldn’t have to tell us ‘Here’s all the things you’re doing to screw us.’”
-“If I could talk to a whale, I’d say ‘Sorry,’” Friedlaender added.

Larry Lu

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