A cry for help: Crops under attack emit cues for hungry birds

We humans are simple creatures — we find ourselves in trouble, we cry out for help. Science has known for a while that plants do something similar by letting out “sensory volatile cues,” like scents, when they’re under attack by hungry insects. The result is that birds will often pick up the cue, swoop […]

Plant diversity could be a natural repellent for crop pests

Scientists and farmers have long been puzzled over why a field with a variety of plants seems to attract fewer plant-eating insects than farm land with just one type of crop. Now, a new study is shedding light on this interaction and shows that much of the discrepancy may have to do with the nutritional […]