James Bradley at Literary Hub:
Each night, as the line that separates day from night sweeps across the face of the ocean, a vast wave of life rises from the ocean’s depths behind it. Made up of an astonishing diversity of animals—myriad species of minute zooplankton, jellyfish and krill, savage squid and a confusion of fish species ranging from lanternfish to viperfish and eels, as well as stranger creatures such as translucent larvaceans and snotlike salps—this world-spanning tide travels surfaceward to feed in the safety of the dark, before retreating to the depths again at dawn.
Known as the diel vertical migration, this nightly cycle is the single largest movement of life on Earth, with some estimates suggesting the biomass of the animals that make the journey may total 10 billion tons or more. So dense is this cloud of bodies, in fact, that in World War II, scientists working on early sonar were perplexed by readings showing a phantom sea floor that rose and fell at dusk and dawn.
More here.
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ALARMINGLY,
Picturing the Mind
He begins with 

A group of nine mathematicians has proved the geometric Langlands conjecture, a key component of one of the most sweeping paradigms in modern mathematics.
Western intellectuals expected that novelist Aleksandr Solzhenitsyn, once safely in the West after his expulsion from the Soviet Union in 1974, would enthusiastically endorse its way of life and intellectual consensus. Nothing of the sort happened. Instead of recognizing how much he had missed when cut off from New York, Washington, and Cambridge, Massachusetts, this ex-Soviet dissident not only refused to accept superior American ideas but even presumed to instruct us. Harvard was shocked at the speech he gave there in 1978, while the New York Times cautioned: “We fear that Mr. Solzhenitsyn does the world no favor by calling for a holy war.”
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