When the Romans destroy the Second Temple of Jerusalem, and successfully siege Masada; they celebrate by building the famed Roman Colosseum.
Buddhism's arrival in China forever changes Chinese culture, and Halley's Comet playing a unique role in the First Jewish-Roman War.
Cells lining lungs of former smokers have demonstrated self-healing properties, reversing damage caused by exposure to cigarette smoke.
Boudicca's resistance against Rome remains British legend. Yet the Aeolipile - the first steam engine 2,000 years ago - remains obscure.
Did Roman emperor Caligula suffer from mental illness? Guest Kristen E. Strubberg explores further. Also, why did Rome finally invade Britain?