Since 1974, the island of Cyprus has been divided by a ceasefire "Green Line" that separates the majority-Greek south from the Turkish-occupied north. Now, two friends from both sides of the divide are pressing olives for peace.
The begging of the nuclear age at the end of World War II happened, in large part, due to fears that Germany would detonate an atomic bomb first. See how the United States pushed itself to become the world's first nuclear power.
In countries where right-wing leaders have come to power, like Brazil, many new young, diverse leaders are choosing to run for office. São Paulo has elected the country’s first transgender Afro Brazilian lawmaker.
In October 1957, a beach-ball sized metal globe hurtled through space a couple hundred miles above the United States. That orb was the first artificial Earth satellite — Sputnik. Sergei Khrushchev, former missile engineer and son of Soviet premier Nikita Khrushchev, remembers the US-Soviet race into space.