Cyclingnews.com7h
Biggest ever Rouleur Live premium gallery: Pro tech, beautiful paint, and one-off money no object bikes
To kick off with some Olympic tech, here is Wout van Aert's Cervelo time trial bike from Paris, with a double disc wheel ...
Smithsonian Magazine9h
These Mysterious 12,000-Year-Old Pebbles May Be Early Evidence of Wheel-Like Tools, Archaeologists Say
Researchers in Israel suggest the roughly donut-shaped artifacts could be spindle whorls, representing one of the oldest ...