Cotard's syndrome, also known as Walking Corpse Syndrome, is a rare disorder that causes sufferers to believe they are dead. The exact cause is unknown. Doctors Thomas Linden and Andres Hellden describe effects of the syndrome that they observed in patients who took a common antiviral medication.
What makes someone a psychopath? Can these traits be passed through family lines? Neuroscientist James Fallon, and author of The Psychopath Inside: A Neuroscientist's Personal Journey Into the Dark Side of the Brain, discusses his scientific and personal exploration into the antisocial mind.
Sewage and fertilizer runoff into China's Lake Taihu have fed a nasty bloom: an annual explosion of frothy cyanobacteria, which release neurotoxins into the lake. Hans Paerl, a marine and environmental scientist who studies Lake Taihu, says the warmer temperatures brought by climate change only contribute to the slime's advance.
Beneath their nearly blind and hairless appearance, naked mole rats have evolved hidden molecular adaptations for life underground. In this week's video pick, new research by Vera Gorbunova and Andrei Seluanov of the University of Rochester shows how these aesthetically challenged creatures live long, cancer-free lives.
In his new book Life at the Speed of Light: From the Double Helix to the Dawn of Digital Life, Craig Venter writes of the brave new world synthetic biology may some day deliver: from consumer devices that print out the latest flu vaccine to instruments on Mars landers that analyze Martian DNA and teleport it back to Earth to be studied�"or recreated.
With the astronaut flick Gravity dominating box offices and dinner table conversation, Science Friday brings in the experts to fact-check. In our first installment of "Science Goes to the Movies," astronauts Jeffrey Hoffman and Don Pettit answer your Gravity questions and explore the real risks of spaceflight.