Jack Mook, a Pittsburgh police detective, took unusual steps when he discovered a troubling truth about two foster children.
Greg Henderson shows off the Hendo hoverboard, which uses "magnetic field architecture" to levitate people and objects. Hover engine developer kits are now available on Kickstarter for creatives to float just about anything.
Effortlessly, manta rays glide through the ocean gulping down plankton and fish eggs by the mouthful. However, until recently, it wasn't clear how they managed to do so without clogging the filters that surround their gills.