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There aren't many books out there these days by revolutionary communists who are into the genetics of intelligence. But then there aren't many writers like Freddie DeBoer. He's an insistently quirky thinker who has managed to resist the snark, cynicism and moral preening of so many others in his generation - and write from his often-broken heart. And the core of his new book, "The Cult of Smart," is a moral case for those with less natural intelligence than others - the ultimate losers in our democratic meritocracy, a system both the mainstream right and left have defended for decades now, and that, DeBoer argues, gives short shrift to far too many.

Normally, causal influence is assumed to go only one way-from cause to effect-and never back from the effect to the cause-the ringing of a bell does not cause the pressing of the button that triggered it. Now, researchers from the University of Oxford and the Université libre de Bruxelles have developed a theory of causality in quantum theory, according to which cause-effect relations can sometimes form cycles. This theory offers a novel understanding of exotic processes in which events do not have a definite causal order. The study has been published in Nature Communications.

Their research findings have important implications for soil fertility, and by extension, crop health and yield, explained Laura Kaminsky, a doctoral candidate in plant pathology, who led the investigation under the guidance of Terrence Bell, assistant professor of phytobiomes.