In the Aug. 19 SN: Bulletins from the tick wars, roots of Rwandan genocide, spin-resistant spiders, making mums blue, tardigrade saga continues, HIV antibodies from cows, Maxwell’s demon aces memory test and more.
FIVE YEARS ON MARS Curiosity has done a lot more than take selfies in front of Gale crater, and with its mission extended through next fall, there’s still more science to come.
A new soft robot takes inspiration from natural growers. In the lab, researchers tasked it with navigating a maze, as well as other challenges.
E. Hawkes et al/Science Robotics 2017
SMALL WONDER A new transistor, made with carbon nanotubes, is tinier than standard silicon versions. Four itty-bitty transistors sit between barriers (blue). Current flows through electrodes (red). Gates (yellow) turn current on and off