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After all, education is one of the best bulwarks against ignorance we have. Exposure to stories and information that are counter-stereotypical—often the kind of thing you get from schooling—are one of the best ways to beat back racial bias.

He also cautioned that “the real world is a lot more complicated than the psychology laboratory.” Historical and social contexts play a major role in most types of real-world stereotyping.

"If you're Latino, you'll get less pain medication than a white patient. If you're an elderly woman, you'll receive fewer life-saving interventions than an elderly man. If you're a man being evaluated for a job as a lab manager, you will be given more mentorship, judged as more capable, and offered a higher starting salary than if you were a woman. If you are an obese child, your teacher is more likely to assume you're less intelligent than if you were slim."

"Damn," I thought. "I just racially profiled a black man -- and I'm black!"

The experience didn't just humble me, it scared me. If I -- someone who is black and has read about race and bias for years -- could act like this, what was possible for others who never thought much about these issues?

Perhaps there's another way. Our language and behavior should evolve. We shouldn't talk about racism, for example, as an either/or proposition: Use a slur and you're the Grand Imperial Wizard of the KKK; if you've never used one you're free of intolerance.

Here's a little secret that I think many minorities can identify with. Sure, we get angry when people get caught saying or doing the wrong thing. But we get angrier when others claim they could never be like those people.

One of my best friends is a fellow bigot -- a white minister I've known for years. He freely admits he still struggles with the racism he absorbed growing up in the segregated South.

We should never retreat from calling out the unapologetic cruelty that we see flashed across social media.

one that has conservative groups wrestling for control over how climate science will be taught to American students. The science classroom, after all, remains the dominant venue in which those students first encounter the topic, and it greatly informs how students eventually square-up to the veracity of climate change — either as something they believe to be happening and worth responding to politically, or as a phenomenon of nature, underserving of public funds and political action.

The outcome matters: Whoever wins over the minds of this upcoming cohort of American voters will, to a large extent, shape the nation’s policies on climate change for decades to come.

“Teachers are facing pressure to not only eliminate or de-emphasize climate change science, but also to introduce non-scientific ideas in science classrooms,” the statement said.

For advocates of inserting climate change skepticism into the classroom, the notion of “teaching both sides of the debate” is a familiar refrain, and it’s one used to mask the more fundamental motive: Fostering doubt in students that the scientific community conclusively agrees climate change is occurring.

For those science teachers who remain in the classroom, a comprehensive understanding of climate science itself is not a given. One recent report found that less than half of K-12 science teachers received formal climate science training during their own college education — a comprehension void that helps explain why political ideology has been shown to be the most consistent indicator of how a teacher presents climate science to their own students.

Trying to continue with lessons on climate science despite this intensifying atmosphere of hostility has forced some teachers to become savvier — or more secretive — about how they present the information to their students. In Texas, Nina Corley is careful to keep explicit mentions of climate change out of her lessons, for fear that her skeptical administrators might try to censor the science. “The administrators in a school can have total control, because they’re your boss, you have to remember that. It’s going to be how you word it,” she said. “I’m not going to say my lesson plan is on climate change today, I’ll just talk about how we’re investigating the effects of carbon dioxide.”

Recalling one student who was hostile to her lessons on climate change, Erin Stutzman realized the more personal ramifications catalyzed by the student changing his mind. “He was tightly engrossed in the skepticism, that belief was engrained in him. And his initial resistance wasn’t to the science, really, it was that someone was challenging his parents and his friend’s parents,”

Instead she stayed and would then escalate what Christian Cooper said had been a polite request into a conflict. That's an odd reaction for someone scared for her life.

Yet she walked toward him quickly, filling the video screen as she reaches toward his phone camera, with dog leash and her own phone in hand. He asked her to back away: "please don't come close to me," he said twice in a calm, firm voice.

"I'm going to tell them there's an African American man threatening my life." Christian Cooper responded, telling her to "please tell them whatever you like." And so she does: "There's a man, African American, he has a bicycle helmet," she said into her phone, her tone breathless and urgent. "He is recording me and threatening me and my dog."

"I'm being threatened by a man in the Ramble!" she cried into the phone. "Please send the cops immediately!"

Amy Cooper's decision to summon the police against a man who did nothing more than ask her to follow the rules reads as nothing short of a potential threat to his life.

She, a white woman (and she didn't have to even say that explicitly; she knew it would be grasped by whoever had answered the phone) would be seen as vulnerable and in need of protection, and her story would be believed on its face; he, a black man, would be seen as menacing and potentially dangerous, and his version of events would be doubted or disregarded.

Ahmaud Arbery, a black man in Georgia, was just out for a run last February when, authorities say, Gregory and Travis McMichael, two white men (one of them a former police officer, as it happened), grabbed their guns, chased him down, and shot him to death. They faced no criminal penalties and were simply let off the hook until a video emerged of their attack, and public outcry forced law enforcement to act. (The two have not been asked by a judge for a plea, and attorneys for the men have told reporters they committed no crimes, according to CNN reporting.) Without the video, the wheels of justice would likely never have even begun to turn.

We see again and again that African Americans who are victims of serious crimes need unimpeachable video evidence to be believed. Overwhelmingly, though, crimes are not caught on video. And even when they are, we have seen repeatedly that law enforcement often doesn't act until they are compelled by a huge public outcry. Without reliably fair law enforcement, there are simply few avenues for justice.

To be sure, it's easy to find legitimate criticism of Twitter "justice." But this only raises the more important question of why our formal mechanisms for justice are so often so inept at providing justice across racial lines -- why the very people and institutions we should be able to trust are instead often threats to the lives and safety of African Americans. When calling the cops is understood as a threat to a black person -- and sometimes even a threat to that person's life-- that's not just an indictment of the cop-caller, that's an indictment of the police, of prosecutors, of juries and of too many in a white American public willing to accept this reality.

Amy Cooper has issued an apology (she told CNN she wanted to "publicly apologize to everyone"), but in explaining her egregious actions, said "I'm not a racist. I did not mean to harm that man in any way." How do you not mean to harm someone when you call the police and falsely claim he is threatening you? "I think I was just scared," Amy Cooper said. "When you're alone in the Ramble, you don't know what's happening. It's not excusable, it's not defensible."

Her woe-is-me complaints are a bit hard to swallow given her own actions, which could have damaged or destroyed the life of an innocent man.

let's keep our eyes on the prize: a justice system that works, rather than one which so often accepts the word of white people at the expense of black lives and freedom.

n Mischel’s marshmallow experiment, only a quarter of the subjects were able to resist eating the marshmallow for fifteen minutes. This implies that a large majority of us lack the self-control required to succeed in life.

They were most successful at adopting productive behaviors not when they resolved to do better, or distracted themselves from temptation, but when they altered their environment. Instead of studying on a couch in a dorm, with a TV close by, they went to the library. They ate better when they removed junk food from the dorm refrigerator. “Successful self-control,” Wood writes, “came from essentially covering up the marshmallow.”

Both, too, emphasize the role of conscious effort—not in resisting habit but in analyzing it, the better to formulate a strategy for reform.

Wood advises us to come up with new rewards as substitutes for the ones the phone provided. I listened to music on the car radio. In the evening, instead of scrolling through tweets and e-mails, I sought out authors I’d never read. At the end of each day, I felt calmer, and free.

When Baidu researchers began developing their own language model, they wanted to build on the masking technique. But they realized they needed to tweak it to accommodate the Chinese language.In English, the word serves as the semantic unit—meaning a word pulled completely out of context still contains meaning. The same cannot be said for characters in Chinese.

It considers the ordering of sentences and the distances between them, for example, to understand the logical progression of a paragraph. Most important, however, it uses a method called continuous training that allows it to train on new data and new tasks without it forgetting those it learned before. This allows it to get better and better at performing a broad range of tasks over time with minimal human interference.

“When we first started this work, we were thinking specifically about certain characteristics of the Chinese language,” says Hao Tian, the chief architect of Baidu Research. “But we quickly discovered that it was applicable beyond that.”

"The science tells [us] when [we're] on the phone while driving, it is a high-risk activity -- very, very risky,"

Even hands-free phones appear to contribute to unsafe driving

What they found was that when children were on the cell phones, their attention to traffic -- the number of times a participant looked right or left -- went down 20 percent. The risk of getting hit by a car, or the number of close calls, went up 43 percent

Our reliance on our cell phones may actually be "training" some of us to believe it is vibrating when it is not. In the case of cell phones, people are rewarded when they pick up their calls and read their incoming text messages, which causes them to pick up their cell phones more and more frequently.

The sores and blisters that some experience from too much texting and typing have earned monikers such as "BlackBerry thumb." And while the sore thumbs may seem like a new phenomenon, medical experts say there is a rational explanation for this modern-day nuisance.

These sorts of injuries, known as repetitive strain injuries or a repetitive motion disorders, are sometimes minor. But they can also lead to serious medical problems.

According to statistics from the U.S. Centers for Disease Control and Prevention (http://www.cdc.gov/healthyyouth/noise/index.htm), about 12.5 percent of children and adolescents 6 and 19 years old and 17 percent of adults between 20 and 69 years of age have suffered permanent damage to their hearing from excessive exposure to noise. In total, this accounts for more than 30 million people.

Sounds louder than 85 decibels can damage hearing. Normal conversation is about 60 decibels, and stereo headphones out of our MP3-enabled devices often reach 100 decibels.

He hypothesizes that the process involves one or more molecules released by the nervous system — perhaps small RNAs, perhaps something secreted like a hormone. But somehow those germ cells then influence the behavior of the next generation and seem to circumvent the normal need for rde-4 in the production of the small RNAs for chemotaxis in the progeny.

“I believe that today, there is not a single solid paper showing that only small RNAs are involved in epigenetic inheritance,” said Isabelle Mansuy, a neuroepigenetics researcher at the Swiss Federal Institute of Technology Zurich and the University of Zurich who studies the inheritance of trauma in humans and mice. In the mouse model she works with, she knows that small RNAs are not sufficient because if she injects small RNAs alone into fertilized mouse eggs, the resulting animals do not show the RNA-associated trait.

“If we can ingest a chemical from our environment that changes the epigenomes of the egg or sperm, why couldn’t our brain make a similar molecule that does the same thing?”

The human brain has evolved to recognize patterns, perhaps more than any other single function. Our brain is weak at processing logic, remembering facts, and making calculations, but pattern recognition is its deep core capability.

Since your initial research indicated that $27,000 was the average price, the first offer you encountered seemed like a great deal. You overlooked further information, such as the possibility that other dealers might have lower prices, and made a decision on the information you already had, which served as an anchoring point in your mind.

Imagine that you are trying to negotiate a pay raise with your boss. You might hesitate to make an initial offer, but research suggests that being the first one to lay your cards down on the table might actually be the best way to go. Whoever makes that first offer has the edge since the anchoring effect will essentially make that number the starting point for all further negotiations. Not only that, it will bias those negotiations in your favor. That first offer helps establish a range of acceptable counteroffers, and any future offers will use that initial number as an anchor or focal point.

How much television should your children watch each day? If you watched a great deal of TV as a kid, it might seem more acceptable for your kids to be glued to the television for hours each day.

I heard Floyd scream "Mama," and through my tears, even though I knew the events in the video had already unfolded to a tragic conclusion, I was still ready to fight. He wasn't my baby, but he was someone's child. And he needed someone with a mother's love to help him

I'm tired of being scared for him. I'm tired of reading about Ahmaud, Travis, George and so many others. The list never stops. I need the white mamas to share this burden. I need my white friends to love me and mine enough to come running, too.

While I'm waiting for white mothers to come running, to let me rest for just a moment while they carry the baton for a bit, I have a special thank you for my friend Stacie. I'm blessed with a multi-cultural array of friends. Stacie personifies compassion, sensitivity, godliness and intellect. She knows the world sees and treats her differently because she's white, financially comfortable and socially connected. In her heart, she's just a mama like me.

My baby calls me every time he's caught being black -- the security officer trailing him in the Harvard museum while he waited for his friend's commencement to start last May.

And the white woman who scurried away from the ladies' room on his college campus, presumably because he was walking toward her? Wasn't he just going in the same direction to use the adjacent men's room?

I need them to hear that cry and to tell their sons and daughters that my child is a human. I need them to declare and believe that he's in danger, that I can't protect him by myself and that his life matters to me and to them. I need them to tell their white friends' children, too. My child's life is sacred. My child is not dangerous.

She sees my blackness and the pain it brings. She'd never declare, as too many do, that she "doesn't see color." She sees it because she truly sees me. She knows it shapes how I see the world and how the world sees me. She knows my son, and she authentically cares about him. She knows I'm hurting without my having to tell her. And one mama to another, she cared.