The very existence of a show devoted to “Black abstraction” raises questions. Is it valid to continue to sort art by identity? On the evidence of “Hard Art,” the answer is yes. By Holland Cotter and ...

Day trading might sound like a fun way to make a living, but it’s a hard game for new traders to break into. Not only do day traders need high-tech stock scanners to locate stocks with potential, but ...

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Assistive algorithms are widely used in brain-computer interfaces (BCIs), but their effects on neural representations remain unclear. Here, the authors show that adaptive BCIs lead the brain to learn ...