Connections between sports and the economy. Are nations that invest in sports are more successful that sports-hating countries?
Why do some countries refuse to host the Olympics? Can major international events become a burden for the national economy?
January Club in sports. Why children who born in January become more successful in sports than kids born in other months? (It's a true fact, besides, and called a Relative Age Effect).
Can athletic success be inherited? Genetics and heredity in sports.
Sports regulation and performance of athletes.
What hormones are the most important for athletes? Biochemistry of winning sports competition.
Athletic nutrition. What do top athletes eat to remain strong, fast and steady?
What traits of character are needed for an athlete to win? Sports psychology research has a lot of papers on the topic, so you'll have a good time writing about it.
Empathy in sports. Is the ability to understand other people necessary for athletic training?
Sports for an animal. đ¶ Can a dog athlete earn more than a human sports practitioner?