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Cicadas use darkness cues from shadows to move toward trees

When periodical cicadas surface after years underground, they don’t grope blindly for trees. They head for the shadows, researchers report March 20 in the American Naturalist. A detailed analysis of Brood XIII cicadas — which spend 17 years developing in subterranean tunnels before emerging all at once — found that newly arrived, wingless nymphs use…

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Boards Are Falling Short on Cybersecurity

At this point, most boards are convinced of the necessity for cybersecurity investments. They get that a serious cyber event is a costly, brand-damaging situation that can devastate operations, dismantle consumer confidence, and even conjure up existential concerns. However, as boards become more focused on cybersecurity, are they paradoxically getting worse at governing it? Year-over-year…

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