The Evolutionary Arms Race: Spiders and Venom

The region of Nagorno-Karabakh has been the subject of dispute and skirmishes for decades—but the current conflict threatens to draw in both Turkey and Russia. Rule changes accelerated by the pandemic have revealed a better way to handle early-stage abortions. And, unravelling the mystery of the funnel-web spider’s deadly bite. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer

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