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 ...

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 ...

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 ...