YouTube: Radiation is all around us, and when you travel by plane, you’re exposed to cosmic radiation. So what does this mean for our health? Does air travel expose us to unsafe radiation levels? Check... continue reading

posted by PlayhousePals 8 years 7 months ago • 51 views • 2:29

"... it can take us awhile to fully grasp the downsides and side effects of new discoveries." I'll say! YouTube: SciShow explores the harrowing tale of the so-called Radium Girls, factory workers who... continue reading

posted by PlayhousePals 9 years 11 months 1 week ago • 168 views • 4:39