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Leonardo Da Vinci lived in a time of cultural transition known as the Renaissance, an era of philosophical, scientific and religious "rebirth," where the masses no longer accepted beliefs at face value and questioned the reasoning behind given theories. This new mindset gave rise to a curiosity about the origins of science and how art could demonstrate them.

"perception is the origin of all knowledge" and that "science is the observation of things possible, whether present or past."

He was the first of his kind to combine the keen eye of an artist to study the detail of his findings, and the curiosity of a scientist to approach his subjects with an open mind.

This week’s conversation is with Naomi Zack, a professor of philosophy at the University of Oregon and the author of “The Ethics and Mores of Race: Equality After the History of Philosophy.”

My first book, “Race and Mixed Race” (1991) was an analysis of the incoherence of U.S. black/white racial categories in their failure to allow for mixed race. In “Philosophy of Science and Race,” I examined the lack of a scientific foundation for biological notions of human races, and in “The Ethics and Mores of Race,” I turned to the absence of ideas of universal human equality in the Western philosophical tradition.

Critical philosophy of race, like critical race theory in legal studies, seeks to understand the disadvantages of nonwhite racial groups in society (blacks especially) by understanding social customs, laws, and legal practices.

His comments come as the pope, who earned a master's degree in chemistry before turning to the priesthood, becomes increasingly vocal about climate change. Pope Francis is preparing a groundbreaking encyclical to be released in the coming weeks that's expected to make the case that taking action to fight climate change is a moral and religious imperative.

Santorum has a history of rejecting established science. He denies that climate change is man-made and has dismissed global warming as a "hoax" despite the fact that 97 percent of actively publishing climate scientists agree that "climate-warming trends over the past century are very likely due to human activities," according to NASA.

“The church has gotten it wrong a few times on science, and I think that we probably are better off leaving science to the scientists and focusing on what we're really good at, which is theology and morality,” Santorum said. "When we get involved with political and controversial scientific theories, I think the church is not as forceful and credible."

The social network is going to partner with the Poynter International Fact-Checking Network, which includes groups such as Snopes and the Associated Press, to evaluate articles flagged by Facebook users. If those articles do not pass the smell test for the fact-checkers, Facebook will label that evaluation whenever they are posted or shared, along with a link to the organization that debunked the story.

Mosseri said the social network still wants to be a place where people with all kinds of opinions can express themselves but has no interest in being the arbiter of what’s true and what's not for its 1 billion users.

The new system will work like this: If a story on Facebook is patently false — saying that a celebrity is dead when they are still alive, for example — then users will see a notice that the story has been disputed or debunked. People who try to share stories that have been found false will also see an alert before they post. Flagged stories will appear lower in the news feed than unflagged stories.

the use of social media as both a tool in conflict and a shaper of it, tracking how online chatter has begun to intersect with real-life violence in dozens of armed confrontations around the globe.

ISIS is a prime example...and many others are successfully taking cues from the ISIS playbook.

Many of the new connections in the coming years will be concentrated in regions most susceptible to violence and conflict.

While the majority of jihadists around the world are not teenagers, official figures show that their involvement in violent Islamism is growing.The number of under-18s arrested for alleged terror offences in the UK almost doubled from eight to 15 from 2013-14 to 2014-15.

Experts say this bears out fears that more and more young people are being drawn to extremism, with followers in their early teens among them. "We are seeing this kind of thing happening more and more with the rise of Islamic State," says Charlie Winter, an expert in jihadist militancy.

The main target for groups like Islamic State is said to be young people between 16 and 24 years old.However the radicalisation process can start as early as 11 or 12

Judith, "barely clothed and fresh from the seduction and slaying of Holofernes, glows in her voluptuousness. Her hair is a dark sky between the golden branches of Assyrian trees, fertility symbols that represent her eroticism. This young, ecstatic, extravagantly made-up woman confronts the viewer through half-closed eyes in what appears to be a reverie of orgasmic rapture," writes Eric Kandel in his new book, The Age of Insight. Wait a minute. Writes who? Eric Kandel, the Nobel-winning neuroscientist who's spent most of his career fixated on the generously sized neurons of sea snails

Kandel goes on to speculate, in a bravura paragraph a few hundred pages later, on the exact neurochemical cognitive circuitry of the painting's viewer:

"At a base level, the aesthetics of the image's luminous gold surface, the soft rendering of the body, and the overall harmonious combination of colors could activate the pleasure circuits, triggering the release of dopamine. If Judith's smooth skin and exposed breast trigger the release of endorphins, oxytocin, and vasopressin, one might feel sexual excitement. The latent violence of Holofernes's decapitated head, as well as Judith's own sadistic gaze and upturned lip, could cause the release of norepinephrine, resulting in increased heart rate and blood pressure and triggering the fight-or-flight response. In contrast, the soft brushwork and repetitive, almost meditative, patterning may stimulate the release of serotonin. As the beholder takes in the image and its multifaceted emotional content, the release of acetylcholine to the hippocampus contributes to the storing of the image in the viewer's memory. What ultimately makes an image like Klimt's 'Judith' so irresistible and dynamic is its complexity, the way it activates a number of distinct and often conflicting emotional signals in the brain and combines them to produce a staggeringly complex and fascinating swirl of emotions."

everyone knows that monopoly power is bad for markets, that people are racially biased and that illness is unequally distributed by social class. There are diminishing returns from the continuing study of many such topics. And repeatedly observing these phenomena does not help us fix them.

social scientists should devote a small palace guard to settled subjects and redeploy most of their forces to new fields like social neuroscience, behavioral economics, evolutionary psychology and social epigenetics, most of which, not coincidentally, lie at the intersection of the natural and social science

It is time to create new social science departments that reflect the breadth and complexity of the problems we face as well as the novelty of 21st-century science. These would include departments of biosocial science, network science, neuroeconomics, behavioral genetics and computational social science.

In recent decades, behavioral economics has been the economics profession’s runaway growth area. Scholars in this field work largely at the intersection of economics and psychology, and much of their attention has focused on systematic biases in people’s judgments and decisions.

Paradoxically, our prediction errors often lead us to choices that are wisest in hindsight. In such cases, evolutionary biology often provides a clearer guide than cognitive psychology for thinking about why people behave as they do.

the brain has evolved not to make us happy, but to motivate actions that help push our DNA into the next round. Much of the time, in fact, the brain accomplishes that by making us unhappy. Anxiety, hunger, fatigue, loneliness, thirst, anger and fear spur action to meet the competitive challenges we face.

Sandel’s popularity in Asia reflects the intersection of three trends. One is the growth of online education, where students anywhere now can gain access to the best professors from everywhere. Another is the craving in Asia for a more creative, discussion-based style of teaching in order to produce more creative, innovative students. And the last is the hunger of young people to engage in moral reasoning and debates, rather than having their education confined to the dry technical aspects of economics, business or engineering.

Sandel is touching something deep in both Boston and Beijing. “Students everywhere are hungry for discussion of the big ethical questions we confront in our everyday lives,” Sandel argues. “In recent years, seemingly technical economic questions have crowded out questions of justice and the common good.  I think there is a growing sense, in many societies, that G.D.P. and market values do not by themselves produce happiness, or a good society.

It does three things—1) explains what motivated reasoning is; 2) explains how it’s threatening to the legal system (because motivated/biased interpretations of court findings and opinions by opposed groups of citizens threaten the very idea of court neutrality); and 3) takes a look at the Supreme Court’s 2010 term (and one bizarre Scalia dissent in particular) in this context.

There is thus an inherent risk that citizens will perceive decisions that threaten their group commitments to be a product of judicial bias. The outcomes might strike them as so patently inconsistent with the facts, or with controlling legal principles, that they are impelled to infer bad faith.

Kahan suggests it undermines the justice system if battling groups of advocates (say, the American Constitution Society and the Federalist Society) are constantly blasting court opinions from diametrically opposed perspectives, and using motivated reasoning to do so. At some point, as this continues, you wind up legitimating the claim that really, courts don’t know anything special or have any particular expertise—it’s all just opinion, and biased opinion at that. This precipitates a “neutrality crisis” over whether courts can really judge fairly.

in the summer of 2002, long before “fake news” or “post-truth” infected the vernacular, one of President George W. Bush’s top advisers mocked a journalist for being part of the “reality-based community.” Seeking answers in reality was for suckers, the unnamed adviser explained. “We’re an empire now, and when we act, we create our own reality.”

This was the hubris and idealism of a post-Cold War, pre-Iraq War superpower: If you exert enough pressure, events will bend to your will.

the deceit emanating from the White House today is lazier, more cynical. It is not born of grand strategy or ideology; it is impulsive and self-serving. It is not arrogant, but shameless.

analytic narrative and other forms of mixed methodologies are on the rise nonetheless as many researchers have found both traditional qualitative and quantitative methodologies lacking.

Mixed methods utilize both quantitative and qualitative methods, typically in a way that the researcher believes will be synergistic.

Analytic narratives are a type of mixed methodology that emerged from the study of the intersection of business, economics, governance, history, and politics, or political economy for short

For my own writing, I have settled on a method of writing and rewriting in which I seek to improve places where I use imprecise categories and labels, where I slide over gaps in my knowledge with vague phrases, where my ignorance leads to false statements. I find and fix many such places in the process of revising. I hope to produce writing which is as close as possible to being objective and true.

That I have such goals indicates that I do not accept the idea that there is no truth. I do believe that truth is very hard to reach, that nearly every proposition in history or science can be improved by more work, that we are imperfect seekers of truth. So we can approach truth, but perhaps never reach it.

I was prompted to write this because of the great irony that the political conservatism, which once argued for objective truth, now relies on the broadest attack on truth that we have ever experienced.

How ironic it is then that President Obama, the bane of conservatives, possessed an abundance of self-discipline, and President Trump, who most conservatives (including Bennet) favored over Hilary Clinton, possesses almost none.

The ancient Greek philosopher Aristotle thought that political leaders should exercise practical wisdom (phronesis) or prudence. He considered temperance (i.e., moderation, self-restraint) and self-discipline two of the most important virtues required for such wisdom. He believed that the two virtues should help us regulate what he called “the appetitive faculty,” which deals with our emotions and desires

One of the twentieth-century’s most prominent commentators on political wisdom, Britain’s Isaiah Berlin (1909-1997), viewed temperance as an important political virtue, and he connected it to humility and tolerance—neither of which Trump displays. And in his “Two Concepts of Liberty,” Berlin wrote, “Freedom is self-mastery.”

The shooter himself, Robert Long, has said he was motivated to act violently because of his self-proclaimed “sex addiction.” He allegedly told investigators that the businesses he attacked represented “a temptation for him that he wanted to eliminate.”

Rosalind Chou, a sociologist, describes how in 2000, a group of white men kidnapped five Japanese female exchange students in Spokane, Washington, to fulfill their sexual fantasies of Asian female bondage, a subgenre of pornography.

The official assumption was that, unless proven otherwise, Chinese women seeking to enter the United States lacked moral character and were prostitutes.

A week ago, more than a year after the World Health Organization declared that we face a pandemic, a page on its website titled “Coronavirus Disease (Covid-19): How Is It Transmitted?” got a seemingly small update.

The revised response still emphasizes transmission in close contact but now says it may be via aerosols — smaller respiratory particles that can float — as well as droplets. It also adds a reason the virus can also be transmitted “in poorly ventilated and/or crowded indoor settings,” saying this is because “aerosols remain suspended in the air or travel farther than 1 meter.”

on Friday, the Centers for Disease Control and Prevention also updated its guidance on Covid-19, clearly saying that inhalation of these smaller particles is a key way the virus is transmitted, even at close range, and put it on top of its list of how the disease spreads.

Whatever its sex, this baby’s future is predetermined by the entrenched belief that males and females do all kinds of things differently, better or worse, because they have different brains.

how vital it is, how life-changing, that we finally unpack – and discard – the sexist stereotypes and binary coding that limit and harm us.

she is out in the world, debunking the “pernicious” sex differences myth: the idea that you can “sex” a brain or that there is such a thing as a male brain and a female brain.

When people have to cope with difficult situations in their lives, they sometimes reassure themselves by saying that everything happens for a reason.

When people have to cope with difficult situations in their lives, they sometimes reassure themselves by saying that everything happens for a reason.

The saying that everything happens for a reason is the modern, New Age version of the old religious saying: “It’s God’s will.”

Some studies have found that viral ideas arise at the intersection of busy social networks and limited attention spans. In a perfect world, only factually accurate, carefully reported and fact-checked stories would go viral. But that isn’t necessarily the case. Misinformation and hoaxes spread across the internet, and especially social media, like a forest fire in dry season.

Within the model, a successful viral story required two elements: a network already flooded with information, and users' limited attention spans. The more bot posts in a network, the more users were overwhelmed, and the more likely it was that fake news would spread.

One way to increase the discriminative power of online social media would be to reduce information load by limiting the number of posts in the system," they say. "Currently, bot accounts controlled by software make up a significant portion of online profiles, and many of them flood social media with high volumes of low-quality information to manipulate public discourse. By aggressively curbing this kind of abuse, social media platforms could improve the overall quality of information to which we are exposed