Tag: cultural transmission

Which City Is the Musical Tastemaker for the US? Hint: Not NY or LA

By Sarah Zhang | April 17, 2012 11:00 am

music flow
Click to enlarge.

If you want to know what the cool kids will be listening to next month, here are two hints: 1) Head to Atlanta. 2) It’s probably hip hop. That’s according to a recently posted arXiv paper mapping the geographic flow of music on the social-networking music site Last.fm.

Last.fm users sync their iTunes listening histories to the site, recording some 11 billion tracks played in 2011. The site has been a gold mine for data viz lovers like LastGraph, and social-network researchers are getting in on the action, too. In this study, they looked for trendsetting cities that started (and stopped—those snobs) listening to new artists before everyone else. Among American Last.fm users, Atlanta is the trendsetting city.

But when they sorted by music genre, the researchers found subtler patterns. Atlanta dominates the overall music flow mostly because it’s a hip hop center, and hip hop has been ubiquitous to American ears. When it comes to other genres such as indie music, the trendsetting city of North America is further north—much further north—in Montreal.

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Dolphins Protect Themselves With Sponges To Seek Out Bottom-Dwelling Fish

By Valerie Ross | July 21, 2011 1:48 pm

A few years ago, scientists observed that some bottle-nosed dolphins held sponges in their beaks as they poked around the ocean floor, flushing out fish they promptly gobbled up—and that mothers taught this trick to their daughters. In a follow-up study published yesterday, the scientists shed some light on why dolphins go to all this trouble: They’re after fatty, energy-rich fish on the seafloor, and the sponges let them scare up a snack without scraping their beaks on sharp rocks or coral.

[PLoS One via ScienceNOW]


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