image: Torsion pendulum made of spider dragline silk. This material relates to a paper that appeared in the March 1st, 2019, issue of Science Advances, published by AAAS. The paper, by D. Liu at Huazhong University of Science and Technology in Wuhan, China, and colleagues was titled, "Spider dragline silk as torsional actuator driven by humidity." view more
Credit: [Credit: Liu <em>et al.</em>, Sci. Adv. 2019; 5 : eaau9183]