Leonardo da Vinci may have had an Arab heritage, according to Italian researchers who have isolated and reconstructed the Renaissance master's fingerprint. The fingerprint represents the only biological trace of the Florentine genius, said Luigi Capasso, an anthropologist at Chieti University. "It is actually the first evidence of Leonardo's corporeality," Capasso told Discovery News. Indeed, nothing is left of the painter, engineer, mathematician, philosopher and naturalist. The remains of Leonardo, who died in 1519 in Amboise, France, were dispersed in the 16th century during religious wars. The research began in 2002, following the discovery of hundreds of fingerprints in the...