How many humans does it take to measure a huge Burmese python? Three.

Carl Jackson caught a nearly 17-ft long Burmese python weighing over 200lbs as part of an effort to rid Florida of the ...
eLife

Beyond the Focus of Expansion: Retinal curl as a functional signal for heading estimation

This study provides an important and biologically plausible account of how human perceptual judgments of heading direction are influenced by a specific pattern of motion in optic flow fields known as ...