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Fitness in Midlife May Help Fend Off Dementia

Supported by Well | Mind Fitness in Midlife May Help Fend Off Dementia Photo Being physically fit in midlife may reduce a woman’s risk for dementia.
In 1968, Swedish researchers evaluated the cardiovascular fitness of 191 women ages 38 to 60, testing their endurance with an ergometer cycling test. Then they examined them periodically through 2012. Over the years, 44 women developed dementia.
They categorized the women into three fitness groups based on peak workload in their cycling tests: low, medium and high. The incidence of all-cause dementia was 32 percent in the low fitness group, 25 percent for the medium, and 5 percent among those with a high fitness level.
The average age at dementia was 11 years older in the high-fitness group than in the medium fitness group. Compared with medium fitness, high fitness decreased the risk of dementia by 88 percent.
The study, in Neurology, controlled for many variables, including smoking, drinking, blood pressure and cholesterol, and the ..

Mireille Knoll, Murdered Holocaust Survivor, Is Honored in Paris

Mireille Knoll, Murdered Holocaust Survivor, Is Honored in Paris Photo A march in memory of Mireille Knoll in Paris on Wednesday. Ms. Knoll, a 85-year-old Holocaust survivor, was found murdered in her apartment last week. Credit Gonzalo Fuentes/Reuters PARIS — Every morning, in a part of the 11th Arrondissement of Paris that has not yet gentrified, Mireille Knoll would sit at home watching television as she waited for her personal care aide.
The aide, Leila Dessante, would clean the small second-floor apartment, cook lunch and keep company with Ms. Knoll, a 85-year-old grandmother and Holocaust survivor. “She would take my face in between her hands and always ask, ‘How are you doing today, sweetheart?’” Ms. Dessante recalled on Wednesday.
Ms. Knoll’s gentle routine was brutally interrupted last week when she was killed in her apartment. The attack shocked her neighbors, France’s Jewish community and the country as a whole. Two suspects, men in their 20s, have been placed under formal i..

How Trade Wars Begin

How Trade Wars Begin
The Trump administration this week raised fears of a trade war after it authorized a series of tariffs explicitly — and implicitly — aimed at China.
Tariffs, and the specter of trade wars, are nothing new.
The United States and the European Union spent much of the 1990s fighting over bananas. Threats and tariffs flew back and forth across the Atlantic. What had started with a call for free trade in bananas by Costa Rica, in 1991, escalated into an all-out battle between two of the world’s economic superpowers.
At the time, the so-called banana wars were seen as a test of the sustainability of the newly formed World Trade Organization, as Europe and the United States fought over whether Europe could give preferential treatment to bananas imported from former colonies in Africa, the Caribbean and Pacific regions.
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Waymo, a Google Spinoff, Ramps Up Its Driverless-Car Effort

Waymo, a Google Spinoff, Ramps Up Its Driverless-Car Effort

Waymo, the driverless-car company that was spun out of Google, has pushed farther ahead in self-driving cars than any of the automakers or other technology companies trying to pioneer the field.
It has been working on its software, sensors and other gear for nine years. It has 600 or more test vehicles operating in at least four cities around the country. Its vehicles have racked up more than five million miles of testing on public roads.
Now, even as a cloud hangs over driverless-car testing after a rival’s fatal crash, Waymo is vowing to shift its operations into overdrive. In the next two years, it intends to put thousands of self-driving cars on the road in selected cities to ferry not its own engineers but ordinary people from place to place.
In Phoenix, where it plans to introduce the service first, Waymo predicts it will carry paying customers almost anywhere they want to go in an area covering 100 square miles, the co..

Apple Unveils New iPad to Catch Google in the Classroom

Apple Unveils New iPad to Catch Google in the Classroom Photo Apple unveiled an iPad intended for classrooms at an event at Lane Technical College Prep High School on Chicago’s North Side. Credit Lyndon French for The New York Times CHICAGO — Apple unveiled a new iPad aimed at classrooms and other education tools on Tuesday, in a bid to catch up to Google for students’ attention — and win more school districts’ dollars.
Apple said the new 9.7-inch iPad includes a faster processor and supports Apple Pencil, a stylus that previously paired with just its pricier iPads. The device costs $299 for schools and $329 for consumers, the same price as its previous version, and the Apple Pencil was priced at $89 for schools. The company also increased the amount of cloud storage for students to 200 gigabytes, from 5 gigabytes.
In addition, Apple announced new software for the classroom. That includes Schoolwork, an app for teachers to create and track assignments, and updates to its productivity a..

Nanny Faces Tough Insanity Test: Did She Know Killing Was Wrong?

Nanny Faces Tough Insanity Test: Did She Know Killing Was Wrong? Photo Yoselyn Ortega, 55, appeared in court on the second day of her trial in State Supreme Court in Manhattan. She is charged with two counts of first-degree murder for the deaths of two children in her care. She is pleading not guilty by reason of insanity. Credit Pool photo by Jefferson Siegel As the murder trial of a nanny who fatally stabbed two small children in her care entered its fourth week on Monday, the jury has begun wrestling with one of the most controversial, misunderstood and hard-to-grasp concepts in criminal law: the insanity defense.
The outcome of the trial will depend largely on how the jury interprets evidence now being presented about Yoselyn Ortega’s mental health and her state of mind when she used a kitchen knife to slay 2-year-old Leo Krim and his 6-year-old sister, Lucia, in October 2012.
Ms. Ortega’s lawyer, Valerie Van Leer-Greenberg, said in her opening statement that insanity was the only ..

Looking for Trump’s Climate Policy? Try the Energy Department

Looking for Trump’s Climate Policy? Try the Energy Department Photo Iowa farmland. Historically, the Energy Department has nurtured innovation in the search for new power sources. Now that is in question. Credit Dave Kettering/Telegraph Herald, via Associated Press The Trump administration’s deepest impact on domestic climate policy might have little to do with its efforts to dismantle the Clean Power Plan or its decision on the Paris accord.
Instead, the coming battle over the future of the Energy Department could prove far more significant for the United States’ long-term efforts to cut greenhouse gas emissions.
Among energy experts, there is broad agreement that the world still needs major technological advances to halt global warming, like better batteries to integrate larger shares of solar and wind power into the grid, or carbon capture to curb pollution from cement plants.
Historically, the Energy Department has nurtured these kinds of innovations, conducting basic research in i..

Can the Paris Climate Deal Survive a Trump-Style Renegotiation?

Can the Paris Climate Deal Survive a Trump-Style Renegotiation? Photo A coal-fired power plant in Ghent, Ky. Some said that was a moral imperative for the United States to stay in the pact. Credit Luke Sharrett for The New York Times As President Trump ponders whether the United States should stay in or leave the Paris climate agreement, many of his closest allies and advisers have been urging him to keep the country in but “renegotiate” the deal to better reflect his energy policies.
In the short run, that compromise might satisfy leaders in Europe and elsewhere who are lobbying heavily for the United States to remain in the Paris accord, lest other nations also race for the exits. But it is still unclear what new terms the White House might demand as a condition of staying.
Some observers worry that the Trump administration, by remaining in the deal, could undermine it from within, refusing to take any significant steps on climate change and bogging down the global push for more ambi..