Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

How to make handmade jewelry from copper wire by Lan Anh Handmade Can do the same with ring, pendants and bracelets to form ...

The Flint Police Department Bomb Squad recovered several IEDs from a residence on Blackberry Lane and detonated them safely ...

Without fire, we die. In this raw episode of survival blacksmithing, we forge a flint striker from raw steel - no power tools ...

George Washington University archaeologist David Braun and his colleagues recently unearthed stone tools from a 2.75 ...

Stone Mountain Park hosted its 24th annual Native American Festival & Pow Wow, Georgia’s largest event of its kind.