the ransomware attack could lead to shortages of meat or raise prices for consumers. a drone has filmed itself crashing into the lava flow of a volcano. it happened in the south—west of iceland, where youtube and drone pilotjoey helms tried capturing the fagradalsfjall volcano, which has been erupting since march. and finally, a not—at—all creepy robot which copies you. scientists at columbia university in new york used deep learning to teach robot ava to mimic the expressions of people around it. ava can express six basic emotions — anger, disgust, fear, joy, sadness and surprise. the aim of the technology is to build trust between humans and robotic co—workers and caregivers in real—world applications, such as hospitals, schools and homes. of course, these machines are not softening us up before they become our robotic overlords. the hay festival is steeped in tradition —