Cut marks on the protruding neck bones probably indicate the head had been severed by a sharp obsidian knife. Underscoring the point, a ceramic pot known as a head jar rested against the elbow of ...

Sometimes, the rituals were relatively painless, involving a cut and a small splattering of blood. Other times, participants used obsidian knives, bone awls, or even poisonous stingray spines to ...

The Jack White-certified pedal is all about extreme experimentation – with dual octave control, precise filtering options, ...

Over about 11,500 years, the stone has been fashioned into deadly knives, razor-sharp spear points, arrowheads and darts for atlatls, or spear-throwers. The obsidian columns of Yellowstone have ...

Blade cores provided a portable source of stone or obsidian for manufacturing different ... Blade flakes were "pre-forms" that could be fashioned into knives, hide scrapers, spear tips, drills ...

mounted conquistadores battling hand-to-hand with jaguar-costumed Aztecs wielding obsidian knives, or tortured, lashed Indians at the missions. Thus, they are more ambiguous in their sympathies to ...

of this obsidian point revealed a residue of fossil pine pitch. Experts believe the first step the Clovis took in attaching their points to spears or knife handles was to smear tree resin on each ...

Exactly one hundred years ago, Greek and French archaeologists uncovered the remains of a "prehistoric Pompeii" deep under the ashen surface of the Greek island of Thera in the Cyclades.

The peculiarities of the mechanical behavior of ceramics did not go unnoticed, even as far back as 800,000 years ago, by flint makers or, more than 14,000 years ago, by makers of knives in obsidian a ...