DIY Watch a mechanic restore this old watchmaker's micrometer into a gorgeous shiny object Carla Sinclair

Science NASA's DART probe shifted the orbits of two asteroids, not just one Ellsworth Toohey

animals That old pocketwatch you own might be lubricated with oil extracted from a dolphin's jaw Mark Frauenfelder

Engineering How steel balls are made Rob Beschizza

biology Watch a ciliate die Rob Beschizza

3d printing Physicists make tiny model of Star Trek's USS Voyager that's smaller than a human hair David Pescovitz

picks 100% diamond ring designed by Apple's Jony Ive and Marc Newson Rob Beschizza

Technology Microscopic sensors in a spray bottle David Pescovitz

Technology Thinnest-ever electronic tattoos are capable of precision health monitoring David Pescovitz