The Measured Jumps of a Regal Jumping Spider

How much jumping would a jumping spider jump if a bunch of scientists made her keep jumping? One answer to that, involving one spider—a regal jumping spider—appears in this study, and in an accompanying video: “Energy and Time Optimal Trajectories in Exploratory Jumps of the Spider Phidippus regius,” Mostafa R.A. Nabawy, Girupakaran Sivalingam, Russell J. Garwood, […]

Shadows Cast by Spider Legs, Used in Physics Calculations

Anticipating Halloween, the American Chemical Society has published a study about using the shadows cast by (kinda sorta) spider legs, for scientific purposes. The paper is: “Elegant Shadow Making Tiny Force Visible for Water-Walking Arthropods and Updated Archimedes’ Principle,” Yelong Zheng, Hongyu Lu, Wei Yin, Dashuai Tao, Lichun Shi, and Yu Tian, Langmuir, 2016, 32 (41), pp. […]

Improbable Research