TechnologyLevel of confidence: Open-source art memorial to the missing An artwork exploits facial recognition software to make you identify with the kidnapped Mexican teachers it symbolically seeks News
EarthKillers, kicks and cures: Our complex relationship with plants A compendium of the homicidal, hallucinogenic and healthy, new book Phytomedicines, Herbal Drugs, and Poisons tracks plant power from ancient times to now CultureLab