Brazilian jiu jitsu (BJJ) benefits people from every walk of life. From childhood to adulthood, and from young women to elderly men, it is the best martial art for street defense due to many factors. It is effective against larger, stronger opponents.
Is Jiu-Jitsu better than other martial arts? Jiu-Jitsu, however, has come to be known as the best self-defense martial art. Joe Rogan, a UFC commentator with a black belt in both BJJ and Taekwondo, recommends BJJ above any other martial art for self-defense. Read More...
A bookmark The letter F. An envelope. It indicates the ability to send an email. Before hopping on the balance beam for a typically dominant routine, Simone Biles does a subtle move.
What do the gymnasts write on the balance beam? Gymnasts' chalk is an inorganic salt, magnesium carbonate (chemical formula MgCO3). The most popular and visible form is the dusty powder you're used to seeing during gymnastics meets, but it also can come in solid blocks or even liquid form. Read More...
The specialized NASCAR fuel is Sunoco Green E15, a 98 octane, unleaded fuel blend specifically engineered for high-performance engines and race cars. It's called Green E15 because the racing fuel is actually green in color.
Do Nascars use regular gas? NASCAR engines burn 110-octane leaded gasoline. Indy cars burn pure methanol (a.k.a. wood alcohol, CH3OH). Top Fuel dragsters and funny cars burn nitromethane (CH3NO2).
Do Nascars use ethanol? NASCAR lowered their emissions by 20 percent by changing to a fuel with a 15 percent ethanol blend. Read More...