Five thousand years ago, someone looked at spoiled milk and decided to taste it. That brave (or desperate) choice led to one of humanity's most important food discoveries, teaching us that sometimes the best inventions start with "mistakes."

Can melting ice cream be better than frozen? A broken truck on a sweltering day in 1934 led to a discovery that changed how millions of people enjoy their favorite summer treat.

What if there was a library that contained every book that could ever be written - even the ones that haven't been written yet? A mysterious digital library reveals how creativity works in unexpected ways.