Caterpillar

Predators that attacked the clay caterpillars left telltale bite marks, which were later analyzed to help figure the critter's risk of getting eaten. That analysis revealed a striking pattern.

Armyworms — caterpillars of a moth species — are creeping across ever wider swaths of southern Africa, munching their way through crops.

Caterpillar Inc. has announced it plans to cut up to 5000 jobs by the end of 2016. The news leaves a cloud hanging over the future of a manufacturing plant in Winton-Salem.