Vince Donley and his wife, Judy, have a custom rawhide braiding business in Sundance, Wyoming, but for many years, he did rawhide braiding for saddle shops in different areas of the state. He started ...

One hundred and ninety-two atoms have tied the knot. Chains of carbon, hydrogen, oxygen and nitrogen atoms, woven together in a triple braid, form the most complex molecular knot ever described, ...