One of the most important things a hunter can know is their maximum effective range. Maximum effective range is not how far you can shoot, or how far away your rifle-cartridge-and-bullet combination ...

The standard formula for calculating how fast a human heart can beat is done by subtracting the person's age from 220. The number that comes is the maximum heart rate. In fact unmonitored heart rate ...

In American football, a field goal is scored by kicking the ball through the uprights past the touchback area on each side of the 50-yard line (the two lines that mark each end zone). Field goals are ...