The abduction of 10 mine workers in Mexico's Sinaloa state has raised questions again about the government's touted security improvements.
Interestingly, the Petralona skull bears a striking resemblance to a 300,000-year-old cranium found in Zambia, southern Africa, over a century ago. Most researchers classify this specimen as Homo ...
Some of history’s most famous paintings contain hidden secrets, meanings and symbolism. We reveal the painting secrets here.