Dodgeball

Dodgeball
The game of dodgeball has been a popular childhood activity on the school playground as well as in physical education classes for years. The object of the game of dodgeball is to avoid being hit by balls thrown by opponents while attempting to eliminate the other team's players by hitting them with balls.

Bike helmets

As paved roads grew more common across the U.S. and Europe, bicyclists started to suffer gruesome skull fractures and other serious head injuries during falls. Bike helmets have improved significantly over the past 2 centuries. Read more

Cooperation

Cooperation
Cooperation is the act of working together for a common purpose. Cooperation is a learned behavior that can be improved and modified, which is especially developed during childhood.
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