At the World Championship Trials in 2001, Phelps broke his first world record at the age of 15 in the 200 butterfly. Being such a dominant force in the years leading up to Athens, many ...

Summer McIntosh claimed her third gold at the World Aquatics Championships in Singapore, falling just short of the world ...

These stories fit the narrative of what’s commonly called the Butterfly Effect. The basic premise is that small acts impact a much larger, more complex system.