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"As readers know, I'm very dubious about assigning agency to generational cohorts like "Millennials," or "Boomers." Where, after all, are their offices on K Street? And if the Powers That Be need to find enough "Millennials" willing to help them continue their project of world domination, that they will do. However, it does seem that the the series of military debacles following the invasion of Iraq has dented our sense of American Exceptionalism, and has begun to shape public opinion - for the better, so far as I am concerned. A cautionary note would be "Millennial" support for globalization (which has, after all, brought us the iPhone, along with the figure of the selfie-taking backpacker). If I were a nimble 1%-er, I'd be perfectly happy to discard American Exceptionalism as an ideology, as long as I could control the global supply chain (and had a high-altitude, remote pied-a-terre from which to manage the free movement of my capital)."

A team of researchers from the U.K., China, and Italy has found evidence that suggests oxygen depletion in the world's oceans led to the end-Triassic mass extinction. In their paper published in the journal Science Advances, the group describes their study of ancient rocks found in multiple locations around the world.

Artificial intelligence (AI) has solved one of biology's grand challenges: predicting how proteins curl up from a linear chain of amino acids into 3D shapes that allow them to carry out life's tasks. Today, leading structural biologists and organizers of a biennial protein folding competition announced the achievement by researchers at DeepMind, a U.K.-based AI company. They say the DeepMind method will have far-reaching effects, among them dramatically speeding the creation of new medications.

"new report from the Economic Policy Institute calls attention to the hardy perennial of how much America's corporate titans make: bosses of the top 350 firms made an average of $18.9m in 2017. That's a ratio of 312-1 over the median worker in their industries. Big bucks to be sure. And a big change since 1965, when the ratio was just 20-1. But what does it mean? And if there's a problem, what is it, exactly? What it means, as the EPI economists carefully document, is that the top US corporate chiefs are paid overwhelmingly with stock options, and their income fluctuates with the market. About 80% of the pay packet is in stocks, and the rise of 17% in 2017 after two flat years surely suggests that the top CEOs (not unreasonably) sensed the market peaked last year. So they cashed in. On the other 20% of the pay packets, no gains occurred"