- ПоискCtrl+k
- Войти
It's Okay To Be Smart
ПродолжаетсяYouTube
Сезон 2014, Серия 25
Sunburn, Sweat and the Science of Summer!
A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool.
A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool.
Комментарии