Historians uncover first direct evidence of female gladiators in Roman arena
The remarkable image comes from a mosaic dating back approximately 1,700 years
Medieval 600-year-old grape seed found in French toilet in stunning discovery
The seed proved a genetic match for grapes currently used in pinot noir red wine production
New archaeology study could re-write 14,000-year-old history about how first humans got to America
Critics of the new findings cite previously discovered artifacts dated farther back than now claimed
