• When robots take over the world, they will start in Japan, which easily tops the Top 10 Countries by Robot Density.
• Huge, naturally formed, spinning circles of ice found in British rivers for the first time.
• Scientists want to exhume Galileo's corpse to check for a genetic eye condition that may explain errors in his observations.
• One gigantic, zoomable photo of President Barack Obama's inauguration.
• Wild frogs are being eaten to extinction. "Amphibians are already the most threatened animal group yet assessed because of disease, habitat loss and climate change—man's massive appetite for their legs is not helping."
