Intracameral mydriatics versus topical mydriatics in pupil dilation for phacoemulsification cataract surgery.

Purpose: To evaluate the efficacy and safety of intracameral mydriatics (lidocaine 1.0% and phenylephrine 1.5%) versus topical mydriatics (phenylephrine 2.

Heat-balling wasps by honeybees.

Defensiveness of honeybee colonies of Apis cerana and Apis mellifera (actively balling the wasps but reduction of foraging) against predatory wasps, Vespa velutina, and false wasps was assessed. There were significantly more worker bees in balls of the former than latter. Core temperatures in a ball around a live wasp of A.