A thousand meters up in a humid, cloud-covered forest, amidst a slew of twigs and limbs, an onlooker spotted something different—this branch had legs. But even for a stick insect, a forest dweller ...

Researchers have found that stick insects keep evolving the same 20 body plans, from the "tree lobster'" to the "bark hugger" and the "large-headed stick." When you purchase through links on our site, ...