Jordan Stolz is among the Olympic speed skaters who reach remarkable speeds.

A study on mobile phone usage in the U.S. showed that Americans use their phones for an average of 5 hours and 16 minutes per day (via Harmony Healthcare IT). That kind of usage means battery drain, ...

You know your chronological age. But do you know your biological age? For the former, you just count the number of candles on your birthday cake. But for the latter, a newly trendy measure of how fast ...