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How social learning made us hugely successful as a species

Nicholas Christakis: We are very unusual as a species in that not only do we have the capacity to learn-- many species do this. A fish in the sea learns that if it swims towards the light it will encounter prey there. We also have the capacity for social learning, which itself is unusual and interesting-- that is, we can learn from each other. And social learning is extremely efficient. For example, I can put my hand in the fire and learn that that's hot and pull my hand out. So I have gotten some benefit of knowledge, but I've paid a price. Or I could watch you put your hand in the fire, get almost as much benefit learning that fire is dangerous, and pay none of the price. So watching from you and learning from you by social learning and imitative learning is extremely efficient. But we not only do that, we teach each other.

We affirmatively set out to teach each other stuff. This is very rare in the animal kingdom. In fact, this aspect of our species lies at the core of our capacity for culture, which is the capacity to transmit knowledge across place and time. So we carry with us the benefits of all the innovations and all the learning that had been done by all prior members of the human species, carried forward unto this day. And when we learn something new, we transmit it laterally to other people. This fundamental quality of teaching also actually has political implications. Because if we are actually to effectively teach and learn from each other, we must create environments that support free and open expression.

How are we to learn from each other? How are we to acquire novel information? How are we to work together to establish the truth of our environment if we don't affirmatively foster and support this rather wonderful innate quality that we have to teach and learn from each other. We are innately a friendly species, but we need environments which allow us to optimally express our inclination to be friendly. We don't want, for example, environments in which we're pitted against each other, where we have leaders that are kind of saying, these people are responsible for your problems. We want environments which say, we can be united in our common humanity. And analogously, we want environments which are supportive and conducive to teaching and learning. We want environments-- we want to create environments in which we maximize the flow and the spread of information.

Some of the most foundational liberties that we have that are encapsulated in the Bill of Rights, by some kind of implicit or deliberate insight by the founding fathers, actually speak to these fundamental qualities that we evolved to have. For example, the freedom of assembly is enshrined in constitutions around the world, including ours. The freedom of speech is enshrined in our constitution, and many others as well. These are innate desires that we have to talk to and learn from each other, To assemble and connect with each other. And they are seen as fundamental political principles and have been since our founding.

  • What distinguishes humans is social learning — and teaching.
  • Crucial to learning and teaching is the value of free expression.
  • And we need political leaders who support environments of social peace and cooperation.


Why it’s hard to tell when high-class people are incompetent

A recent study gives new meaning to the saying "fake it 'til you make it."

Pixabay
Surprising Science
  • The study involves four experiments that measured individuals' socioeconomic status, overconfidence and actual performance.
  • Results consistently showed that high-class people tend to overestimate their abilities.
  • However, this overconfidence was misinterpreted as genuine competence in one study, suggesting overestimating your abilities can have social advantages.
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Maps show how CNN lost America to Fox News

Is this proof of a dramatic shift?

Strange Maps
  • Map details dramatic shift from CNN to Fox News over 10-year period
  • Does it show the triumph of "fake news" — or, rather, its defeat?
  • A closer look at the map's legend allows for more complex analyses

Dramatic and misleading

Image: Reddit / SICResearch

The situation today: CNN pushed back to the edges of the country.

Over the course of no more than a decade, America has radically switched favorites when it comes to cable news networks. As this sequence of maps showing TMAs (Television Market Areas) suggests, CNN is out, Fox News is in.

The maps are certainly dramatic, but also a bit misleading. They nevertheless provide some insight into the state of journalism and the public's attitudes toward the press in the US.

Let's zoom in:

  • It's 2008, on the eve of the Obama Era. CNN (blue) dominates the cable news landscape across America. Fox News (red) is an upstart (°1996) with a few regional bastions in the South.
  • By 2010, Fox News has broken out of its southern heartland, colonizing markets in the Midwest and the Northwest — and even northern Maine and southern Alaska.
  • Two years later, Fox News has lost those two outliers, but has filled up in the middle: it now boasts two large, contiguous blocks in the southeast and northwest, almost touching.
  • In 2014, Fox News seems past its prime. The northwestern block has shrunk, the southeastern one has fragmented.
  • Energised by Trump's 2016 presidential campaign, Fox News is back with a vengeance. Not only have Maine and Alaska gone from entirely blue to entirely red, so has most of the rest of the U.S. Fox News has plugged the Nebraska Gap: it's no longer possible to walk from coast to coast across CNN territory.
  • By 2018, the fortunes from a decade earlier have almost reversed. Fox News rules the roost. CNN clings on to the Pacific Coast, New Mexico, Minnesota and parts of the Northeast — plus a smattering of metropolitan areas in the South and Midwest.

"Frightening map"

Image source: Reddit / SICResearch

This sequence of maps, showing America turning from blue to red, elicited strong reactions on the Reddit forum where it was published last week. For some, the takeover by Fox News illustrates the demise of all that's good and fair about news journalism. Among the comments?

  • "The end is near."
  • "The idiocracy grows."
  • "(It's) like a spreading disease."
  • "One of the more frightening maps I've seen."
For others, the maps are less about the rise of Fox News, and more about CNN's self-inflicted downward spiral:
  • "LOL that's what happens when you're fake news!"
  • "CNN went down the toilet on quality."
  • "A Minecraft YouTuber could beat CNN's numbers."
  • "CNN has become more like a high-school production of a news show."

Not a few find fault with both channels, even if not always to the same degree:

  • "That anybody considers either of those networks good news sources is troubling."
  • "Both leave you understanding less rather than more."
  • "This is what happens when you spout bullsh-- for two years straight. People find an alternative — even if it's just different bullsh--."
  • "CNN is sh-- but it's nowhere close to the outright bullsh-- and baseless propaganda Fox News spews."

"Old people learning to Google"

Image: Google Trends

CNN vs. Fox News search terms (200!-2018)

But what do the maps actually show? Created by SICResearch, they do show a huge evolution, but not of both cable news networks' audience size (i.e. Nielsen ratings). The dramatic shift is one in Google search trends. In other words, it shows how often people type in "CNN" or "Fox News" when surfing the web. And that does not necessarily reflect the relative popularity of both networks. As some commenters suggest:

  • "I can't remember the last time that I've searched for a news channel on Google. Is it really that difficult for people to type 'cnn.com'?"
  • "More than anything else, these maps show smart phone proliferation (among older people) more than anything else."
  • "This is a map of how old people and rural areas have learned to use Google in the last decade."
  • "This is basically a map of people who don't understand how the internet works, and it's no surprise that it leans conservative."

A visual image as strong as this map sequence looks designed to elicit a vehement response — and its lack of context offers viewers little new information to challenge their preconceptions. Like the news itself, cartography pretends to be objective, but always has an agenda of its own, even if just by the selection of its topics.

The trick is not to despair of maps (or news) but to get a good sense of the parameters that are in play. And, as is often the case (with both maps and news), what's left out is at least as significant as what's actually shown.

One important point: while Fox News is the sole major purveyor of news and opinion with a conservative/right-wing slant, CNN has more competition in the center/left part of the spectrum, notably from MSNBC.

Another: the average age of cable news viewers — whether they watch CNN or Fox News — is in the mid-60s. As a result of a shift in generational habits, TV viewing is down across the board. Younger people are more comfortable with a "cafeteria" approach to their news menu, selecting alternative and online sources for their information.

It should also be noted, however, that Fox News, according to Harvard's Nieman Lab, dominates Facebook when it comes to engagement among news outlets.

CNN, Fox and MSNBC

Image: Google Trends

CNN vs. Fox (without the 'News'; may include searches for actual foxes). See MSNBC (in yellow) for comparison

For the record, here are the Nielsen ratings for average daily viewer total for the three main cable news networks, for 2018 (compared to 2017):

  • Fox News: 1,425,000 (-5%)
  • MSNBC: 994,000 (+12%)
  • CNN: 706,000 (-9%)

And according to this recent overview, the top 50 of the most popular websites in the U.S. includes cnn.com in 28th place, and foxnews.com in... 27th place.

The top 5, in descending order, consists of google.com, youtube.com, facebook.com, amazon.com and yahoo.com — the latter being the highest-placed website in the News and Media category.
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Mother bonobos, too, pressure their sons to have grandchildren

If you thought your mother was pushy in her pursuit of grandchildren, wait until you learn about bonobo mothers.

Pixabay
Surprising Science
  • Mother bonobos have been observed to help their sons find and copulate with mates.
  • The mothers accomplish this by leading sons to mates, interfering with other males trying to copulate with females, and helping sons rise in the social hierarchy of the group.
  • Why do mother bonobos do this? The "grandmother hypothesis" might hold part of the answer.
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