DEET is the gold standard for insect repellents, deterring ticks, flies and mosquitoes. Yet there may be a chink in the quintessential repellent’s armour. ‘If mosquitoes are repeatedly exposed to DEET ...

We humans are versatile and accomplished navigators, but insects might have navigation skills that are even better. For them, it's literally a matter of life and death—and that's why we decided to ...