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.
Confidence votes 69. The MLB team that has gone undefeated in the playoffs were the 1976 Cincinatti Reds swept the Phillies 3-0 in the NLCS and then swept the Yankees 4-0. The MLB team that has gone undefeated in the playoffs were the 1976 Cincinatti Reds swept the Phillies 3-0 in the NLCS and then swept the Yankees 4-0.