What is an Australian crawl?

Definition of Australian crawl : a crawl stroke in swimming specifically : a 2-beat crawl. What is the Aussie crawl? Australian crawl in American English...

How big is a NFL field?

The entire field is a rectangle 360 feet (110 m) long by 160 feet (49 m) wide. The longer lines are the sidelines and the shorter lines are called end li...

What were golf balls made of?

At its core, a golf ball is made from rubber. It is then covered with either plastic, a thermoplastic resin called Surlyn, or urethane, which is an artif...