Long before cities or farms, the earliest humans were standing in a changing northern Kenyan landscape, striking stone to stone with steady hands. Their world was noisy with wind, heat, wildfires, and ...

Discover the best home-improvement products—lab-tested, expert-approved upgrades for kitchens, baths, and beyond from Good ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...