Why human hair stops growing at a certain length comes down to a biological clock built into every follicle — here's the science behind your hair's natural limit ...

Scientists have found that human hair growth does not grow by being pushed out of the root; it's actually pulled upward by a force associated with a hidden network of moving cells. The findings ...

The mirror doesn’t lie, and neither does that ponytail that seems to stay the same length month after month. If you’ve been wondering why your once-lustrous locks have seemingly hit the pause button ...

(via TEDEd) At age 44, Xie Qiuping cut her hair for the first time in over three decades. Her impressive locks extended over 5 meters — earning the Guinness World Record for the world’s longest hair.