Ocean Vent Explorer Guides NASA’s Look at Icy Alien Worlds

Quanta Magazine > 0; if (typeof predicate !== ‘function’) { throw new TypeError(‘predicate must be a function’); } var thisArg = arguments[1]; var k = 0; while (k We care about your data, and we’d like to use cookies to give you a smooth browsing experience. Please agree and read more about our privacy policy.Agree… Continue reading Ocean Vent Explorer Guides NASA’s Look at Icy Alien Worlds

Scientists Create Human Embryo-Like Structures with Stem Cells

Scientists have created synthetic blobs that resemble a 14-day-old human embryo for the first time, meaning they can study embryo development beyond a particularly tricky period of pregnancy. Historically, international rules prevent research on human embryos more than 14 days after fertilization. But the new technique uses stem cells, which have the potential to transform… Continue reading Scientists Create Human Embryo-Like Structures with Stem Cells

Amid an Epidemic of Loneliness, Nonprofits Are Helping Keep Veterans Connected

The U.S. surgeon general recently issued an advisory on America’s loneliness epidemic (PDF) and the healing effects of social connection. Former Department of Veterans Affairs (VA) Secretary Bob McDonald also issued a statement on veterans’ social isolation. These are important reminders of veterans’ need for connection and community. Fortunately, there are many nonprofit organizations seeking… Continue reading Amid an Epidemic of Loneliness, Nonprofits Are Helping Keep Veterans Connected

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Sparse Neural Networks Point Physicists to Useful Data

Graham tried tweaking the CNN approach so that the kernel would only be placed on 3-by-3 sections of the image that contain at least one pixel that has nonzero value (and is not just blank). In this way, he succeeded in producing a system that could efficiently identify handwritten Chinese. It won a 2013 competition… Continue reading Sparse Neural Networks Point Physicists to Useful Data

U.S.-China Rivalry in an Era of Weakening States

In his recent meeting with Chinese Foreign Minister Qin Gang, U.S. Ambassador Nicholas Burns reportedly emphasized the importance of stabilizing the bilateral relationship. After an alarming downturn in U.S.-China relations, an easing of tensions could indeed provide a welcome breather for two countries confronting intractable domestic problems. Washington continues to grapple with slowing growth, bitter… Continue reading U.S.-China Rivalry in an Era of Weakening States

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Brain Waves Synchronize when People Interact

Neuroscientists usually investigate one brain at a time. They observe how neurons fire as a person reads certain words, for example, or plays a video game. As social animals, however, those same scientists do much of their work together—brainstorming hypotheses, puzzling over problems and fine-tuning experimental designs. Increasingly, researchers are bringing that reality into how… Continue reading Brain Waves Synchronize when People Interact

The Case for a Governance-First U.S. Security Policy in the Sahel

Both terrorism and coups are on the rise in the Sahel. This is a troubling trend that the United States should be working to reverse. To do this, Washington needs to ramp up support aimed at improving security governance, professionalizing militaries, and strongly sanctioning all forms of military takeovers in the region. This will require… Continue reading The Case for a Governance-First U.S. Security Policy in the Sahel

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