How do we measure age? New study comes up with new answers
Scientists have developed methods to estimate biological age, but a recent study led by Abner Apsley, a doctoral candidate at ...
3 Ways to Track Your Fitness Over Time
Level 1: Place your hands about shoulder-width apart on a table. The higher the surface, the easier it will be. Step your feet back until your arms are completely straight. Build up to holding for 30 ...