Once upon a time, people walked between the U.S. and Canada over a frozen Niagara Falls. But one day, that all changed forever.
The Soviet officer who stopped World War III
In 1983, Stanislav Petrov, a lieutenant colonel in the Soviet Union’s Air Defense Forces, trusted his gut and averted a global nuclear catastrophe.
Why isn’t lynching illegal?
It is one of the worst expressions of racism in American history. And there’s no federal law to prevent it.
A letter from home
A German woman discovered that her childhood home was stolen from a Jewish family who fled Nazi Germany. Last year, she tracked down the address of one of the children, and wrote him a letter.
The test that changed childbirth
In the 1950s, Dr. Virginia Apgar created a quick test that nurses have since performed on millions of babies just after birth. She is considered one of the most important figures in modern medicine — a world that almost pushed her away.