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A new study on killer whales, published on Thursday in Current Biology, suggests reproductive conflict between mothers and daughters may have played an important role in the evolution of menopause.

Yet they can live to be more than 90, meaning they might spend up to two-thirds of their lives not birthing any offspring.

But the unique demography of killer whale social groups may motivate younger females to invest more competitive effort into reproduction

The media scandal of 2016 isn’t so much about what reporters failed to tell the American public; it’s about what they did report on, and the fact that it didn’t seem to matter.

Facebook and Snapchat and the other social media sites should rightfully be doing a lot of soul-searching about their role as the most efficient distribution network for conspiracy theories, hatred, and outright falsehoods ever invented.

I’ve been obsessively looking back over our coverage, too, trying to figure out what we missed along the way to the upset of the century

The Women’s March on Saturday, which took place in cities and towns all across the United States (and around the world), may well have been the largest protest in American history. There were an estimated 3.5 million participants.

After studying protests over the last two decades, I have to deliver some bad news: In the digital age, the size of a protest is no longer a reliable indicator of a movement’s strength.

A protest does not have power just because many people get together in one place. Rather, a protest has power insofar as it signals the underlying capacity of the forces it represents.

Trump would be not be in consideration for our endorsement if one of the Republicans with a modicum of qualification, dignity and serious purpose — think John Kasich, Jeb Bush, Marco Rubio — were still in contention

Instead, Clinton’s California appearances have been limited to rallies, photo opportunities, perfunctory interviews and fundraisers, fundraisers and more fundraisers. Her double-cross on the debate pledge only feeds into the perception (established through the years) of the Clintons’ sense of entitlement, and their presumption that they can set their own rules

Sanders has had a profound impact on the debate, moved Clinton to the left, and, admirably, he has inspired young people to engage in politics. The 74-year-old senator has tapped the legitimate anxieties of generations who see the promise of opportunity that has defined this nation slipping away.

Many types of sensory information enter the brain at a structure called the primary sensory cortex, where they are processed by different layers of cells in ways that ultimately influence an animal's perception and behavioral response.

An ultimate goal of neurobiological research is to understand how a brain integrates a constant flow of various types of stimuli, makes sense of it, and helps coordinate an appropriate behavioral respons

Understanding the most basic principles of this system will require careful studies of regions of animal brains that are simple enough to keep track of nerve impulses as they enter, and yet complex enough to follow different types of signals as they exit along different routes.

I often joke that every cable news show should be forced to display a disclaimer, streaming in a loop at the bottom of the screen. The disclaimer would read: “These talking heads have been scientifically proven to not know what they are talking about. Their blather is for entertainment purposes only.” The viewer would then be referred to Tetlock’s most famous research project, which began in 1984.

He picked a few hundred political experts – people who made their living “commenting or offering advice on political and economic trends” – and began asking them to make predictions about future events. He had a long list of pertinent questions. Would George Bush be re-elected? Would there be a peaceful end to apartheid in South Africa? Would Quebec secede from Canada? Would the dot-com bubble burst? In each case, the pundits were asked to rate the probability of several possible outcomes. Tetlock then interrogated the pundits about their thought process, so that he could better understand how they made up their minds.

Most of Tetlock’s questions had three possible answers; the pundits, on average, selected the right answer less than 33 percent of the time. In other words, a dart-throwing chimp would have beaten the vast majority of professionals. These results are summarized in his excellent Expert Political Judgment.

MANY people doubt what they read and hear in the news. In the United States, for example, a 2012 Gallup poll asked people “how much trust and confidence” they had in the accuracy, fairness, and completeness of the news reports of newspapers, TV, and radio. The answer from 6 out of 10 people was either “not very much” or “none at all.” Is such distrust justified?

Many journalists and the organizations they work for have expressed a commitment to producing accurate and informative reports. Yet, there is reason for concern. Consider the following factors:

MEDIA MOGULS. A small but very powerful number of corporations own primary media outlets.

Wrong, wrong, wrong — to the very end, we got it wrong.

in the end, you have to point the finger at national political journalism, which has too often lost sight of its primary directives in this election season: to help readers and viewers make sense of the presidential chaos; to reduce the confusion, not add to it; to resist the urge to put ratings, clicks and ad sales above the imperative of getting it right.

The first signs that something was amiss in the coverage of the Tea Party era actually surfaced in the 2014 midterms. Oh, you broadcast network newscast viewers didn’t know we had important elections with huge consequences for the governance of your country that year? You can be forgiven because the broadcast networks hardly covered them.

This is what poverty looked like in the Great Depression…

This is what poverty looks like today…

For most of recorded history, fat was revered as a sign of health and prosperity. Plumpness was a status symbol. It showed that you did not have to engage in manual labor for your sustenance. And it meant that you could afford plentiful quantities of food.

For decades, a small group of scientific dissenters has been trying to shoot holes in the prevailing science of climate change, offering one reason after another why the outlook simply must be wrong. Enlarge This Image Josh Haner/The New York Times A technician at a Department of Energy site in Oklahoma launching a weather balloon to help scientists analyze clouds. More Photos » Temperature Rising Enigma in the Sky This series focuses on the central arguments in the climate debate and examining the evidence for global warming and its consequences. More From the Series » if (typeof NYTDVideoManager != "undefined") { NYTDVideoManager.setAllowMultiPlayback(false); } function displayCompanionBanners(banners, tracking) { tmDisplayBanner(banners, "videoAdContent", 300, 250, null, tracking); } Multimedia Interactive Graphic Clouds and Climate Slide Show Understanding the Atmosphere Related Green Blog: Climate Change and the Body Politic (May 1, 2012) An Underground Fossil Forest Offers Clues on Climate Change (May 1, 2012) A blog about energy and the environment. Go to Blog » Readers’ Comments "There is always some possibility that the scientific consensus may be wrong and Dr. Lindzen may be right, or that both may be wrong. But the worst possible place to resolve such issues is the political arena." Alexander Flax, Potomac, MD Read Full Comment » Post a Comment » Over time, nearly every one of their arguments has been knocked down by accumulating evidence, and polls say 97 percent of working climate scientists now see global warming as a serious risk.

They acknowledge that the human release of greenhouse gases will cause the planet to warm. But they assert that clouds — which can either warm or cool the earth, depending on the type and location — will shift in such a way as to counter much of the expected temperature rise and preserve the equable climate on which civilization depends.

At gatherings of climate change skeptics on both sides of the Atlantic, Dr. Lindzen has been treated as a star. During a debate in Australia over carbon taxes, his work was cited repeatedly. When he appears at conferences of the Heartland Institute, the primary American organization pushing climate change skepticism, he is greeted by thunderous applause.

Mr. Romney “described conservatism as if it were a disease.” Indeed. Mark Liberman, a linguistics professor at the University of Pennsylvania, provided a list of words that most commonly follow the adverb “severely”; the top five, in frequency of use, are disabled, depressed, ill, limited and injured.

That’s clearly not what Mr. Romney meant to convey. Yet if you look at the race for the G.O.P. presidential nomination, you have to wonder whether it was a Freudian slip.

Rick Santorum, who, according to Public Policy Polling, is the clear current favorite among usual Republican primary voters, running 15 points ahead of Mr. Romney. Anyone with an Internet connection is aware that Mr. Santorum is best known for 2003 remarks about homosexuality, incest and bestiality. But his strangeness runs deeper than that.

How, exactly, does college prepare students for the workplace? For most jobs, it provides basic intellectual skills: the ability to understand relatively complex instructions, to write and speak clearly and cogently, to evaluate options critically. Beyond these intellectual skills, earning a college degree shows that you have the “moral qualities” needed for most jobs: you have (to put it a bit cynically), for a period of four years and with relatively little supervision, deferred to authority, met deadlines and carried out difficult tasks even when you found them pointless and boring.

This sort of intellectual and moral training, however, does not require studying with experts doing cutting-edge work on, say, Homeric poetry, elementary particle theory or the philosophy of Kant. It does not, that is, require the immersion in the world of intellectual culture that a college faculty is designed to provide. It is, rather, the sort of training that ought to result from good elementary and high school education.

students graduating from high school should, to cite one plausible model, be able to read with understanding classic literature (from, say, Austen and Browning to Whitman and Hemingway) and write well-organized and grammatically sound essays; they should know the basic outlines of American and European history, have a good beginner’s grasp of at least two natural sciences as well as pre-calculus mathematics, along with a grounding in a foreign language.

founders from Facebook, Twitter, eBay, Zynga and PayPal, and executives and managers from companies like Google, Microsoft, Cisco and others listened to or participated

they debated whether technology firms had a responsibility to consider their collective power to lure consumers to games or activities that waste time or distract them.

Eric Schiermeyer, a co-founder of Zynga, an online game company and maker of huge hits like FarmVille, has said he has helped addict millions of people to dopamine, a neurochemical that has been shown to be released by pleasurable activities, including video game playing, but also is understood to play a major role in the cycle of addiction. But what he said he believed was that people already craved dopamine and that Silicon Valley was no more responsible for creating irresistible technologies than, say, fast-food restaurants were responsible for making food with such wide appeal. “They’d say: ‘Do we have any responsibility for the fact people are getting fat?’ Most people would say ‘no,’ ” said Mr. Schiermeyer. He added: “Given that we’re human, we already want dopamine.”

Rick should scat. Mitt Romney needs to be left alone to limp across the finish line, so he can devote his full time and attention to losing to President Obama.

Robo-Romney, who pulled out victories in his home state and in Arizona, and Sanctorum are still in a race to the bottom.

In the old days, the Republican ego had control of the party’s id. The id, sometimes described as a galloping horse or crying baby, “the dark, inaccessible part of our personality ... chaos, a cauldron full of seething excitations,” as Freud called it, was whipped up obliquely by candidates. Nixon had his Southern strategy of using race as a wedge, Bush Senior and Lee Atwater used the Willie Horton attack, and W. and Karl Rove conjured the gay marriage bogyman.

Once considered the product of genius or divine inspiration, creativity — the ability to spot problems and devise smart solutions — is being recast as a prized and teachable skill.

“The reality is that to survive in a fast-changing world you need to be creative,”

“That is why you are seeing more attention to creativity at universities,” he says. “The marketplace is demanding it.”

Deep in the core of our being there are the unconscious natural processes built in by evolution. These deep unconscious processes propel us to procreate or strut or think in certain ways, often impulsively. Then, at the top, we have our conscious, rational processes. This top layer does its best to exercise some restraint and executive function. This evolutionary description has become the primary way we understand ourselves.

Yet in conversation when we say someone is deep, that they have a deep mind or a deep heart, we don’t mean that they are animalistic or impulsive. We mean the opposite. When we say that someone is a deep person, we mean they have achieved a quiet, dependable mind by being rooted in something spiritual and permanent.

A person of deep character has certain qualities: in the realm of intellect, she has permanent convictions about fundamental things; in the realm of emotions, she has a web of unconditional loves; in the realm of action, she has permanent commitments to transcendent projects that cannot be completed in a single lifetime.

these findings suggest that the neurophysiological mechanisms that we employ while dreaming (and recalling dreams) are the same as when we construct and retrieve memories while we are awake.

the researchers found that vivid, bizarre and emotionally intense dreams (the dreams that people usually remember) are linked to parts of the amygdala and hippocampus. While the amygdala plays a primary role in the processing and memory of emotional reactions, the hippocampus has been implicated in important memory functions, such as the consolidation of information from short-term to long-term memory.

it was not until a few years ago that a patient reported to have lost her ability to dream while having virtually no other permanent neurological symptoms. The patient suffered a lesion in a part of the brain known as the right inferior lingual gyrus (located in the visual cortex). Thus, we know that dreams are generated in, or transmitted through this particular area of the brain, which is associated with visual processing, emotion and visual memories.

editor Jocelyn Glei and her team at Behance’s 99U pull together another package of practical wisdom from 21 celebrated creative entrepreneurs. Despite the somewhat self-helpy, SEO-skewing title, this compendium of advice is anything but contrived. Rather, it’s a no-nonsense, experience-tested, life-approved cookbook for creative intelligence, exploring everything from harnessing the power of habit to cultivating meaningful relationships that enrich your work to overcoming the fear of failure.

If the twentieth-century career was a ladder that we climbed from one predictable rung to the next, the twenty-first-century career is more like a broad rock face that we are all free-climbing. There’s no defined route, and we must use our own ingenuity, training, and strength to rise to the top. We must make our own luck.

Lucky people take advantage of chance occurrences that come their way. Instead of going through life on cruise control, they pay attention to what’s happening around them and, therefore, are able to extract greater value from each situation… Lucky people are also open to novel opportunities and willing to try things outside of their usual experiences. They’re more inclined to pick up a book on an unfamiliar subject, to travel to less familiar destinations, and to interact with people who are different than themselves.