Science Tobacco plants now produce psilocybin and DMT — on purpose Ellsworth Toohey

Smell of women's tears reduces aggression in men David Pescovitz

biology This is the world's first synthetic embryo complete with beating heart and brain beginning—no sperm or egg required David Pescovitz

psychology An odorless compound emitted by people could make women aggressive and men docile Mark Frauenfelder

neuroscience Woman loses ability to feel hunger after a stroke Clive Thompson

Science Stuff made by humans now outweighs all life on Earth David Pescovitz

infosec How to spy on someone using a lightbulb as a remote microphone Thom Dunn

Copyfight A lightbulb worm could take over every smart light in a city in minutes Cory Doctorow

Science Nanotechnology coming of age (finally)? David Pescovitz