After Four Years of Living a Nightmare, This Missing Boy Outsmarts His Evil Stepmother

The More You Know

• In 1966 and 1967, soldiers testing Agent Orange in Canada were told the chemical was completely safe and sprayed it on each other to cool off.
• Commercial flights were allowed to fly any course to their destination and would often detour over points of interest. This ended in 1956 when two planes crashed mid-flight over the Grand Canyon.
• Water makes different pouring sounds depending on its temperature.
• Google's founders were willing to sell to Excite for less than $1 million in 1999, but Excite turned them down.