gggolddd

October 28
Sure, you may feel virtuous every time you strap on your bike helmet, but even the sturdiest ones wear out over time, developing hairline cracks that aren’t always visible to the naked eye. But German scientists may have caught whiff of a new super-smelly detection method that tells you the instant you should give your noggin-protector the old heave-ho. As soon as damage occurs, odoriferous oils ooze from the plastic, alerting your nose in the rankest way possible that it’s time for a new helmet. (via ​C​r​a​s​h​ ​H​e​l​m​e​t​ ​M​a​k​e​s​ ​a​ ​S​t​i​n​k​ ​(​L​i​t​e​r​a​l​l​y​!​)​ ​W​h​e​n​ ​I​t​ ​C​r​a​c​k​s​ ​|​ ​E​c​o​u​t​e​r​r​e)

Sure, you may feel virtuous every time you strap on your bike helmet, but even the sturdiest ones wear out over time, developing hairline cracks that aren’t always visible to the naked eye. But German scientists may have caught whiff of a new super-smelly detection method that tells you the instant you should give your noggin-protector the old heave-ho. As soon as damage occurs, odoriferous oils ooze from the plastic, alerting your nose in the rankest way possible that it’s time for a new helmet. (via ​C​r​a​s​h​ ​H​e​l​m​e​t​ ​M​a​k​e​s​ ​a​ ​S​t​i​n​k​ ​(​L​i​t​e​r​a​l​l​y​!​)​ ​W​h​e​n​ ​I​t​ ​C​r​a​c​k​s​ ​|​ ​E​c​o​u​t​e​r​r​e)