I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...
After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
That's a big roll of toilet paper! Why would anyone need such a big roll of toilet paper? How does it compare to Charmin's other toilet paper products? If this roll lasts for...