A fly is going about its day, buzzing here, buzzing there—but then, it starts behaving weirdly. Its movements become sluggish; its abdomen swells. Its body sprouts white fuzz. Around sunset, there’s a ...

A snail, eyestalks pulsing with coloured stripes, leaves the safety of the shade and oozes its way onto an exposed leaf, where it catches the beady eye of a bird. The larger animal mistakes those ...