What is a migraine with aura, and what causes it? Scientists arenât sure what causes migraines with aura. Itâs thought that at least two brain chemicals called serotonin and dopamine play a role. According to the theory, something goes awry in the way these chemicals regulate brain function. This may cause the brain and the bodyâs immune system to overreact.
The 1899 Spiders set the major league record for most consecutive losses in a season (24, from July 26 to September 16), and had six losing streaks of 10 games or more.
It was the longest single-season winning streak in baseball in almost 15 years -- the A's, with MVP Miguel Tejada and the dominant trio of Cy Young winner Barry Zito, Tim Hudson and Mark Mulder, won 20 consecutive games late in 2002.