What is alcyrub?

How long does it take for clothes to dry? Why did john kohler invent the bathtub? Do creationists believe in convergent evolution? Why some theories seem more possible than others? Radium-226 is a common isotope on earth but has a half-life of about 1600 years. why is there any radium at all? What new ideas came about during the Scientific Revolution? Who makes square sweets which look round? What are examples of private knowledge? How do people get rid of garbage? What are simulations useful for? What are Scientist who study the structural similarities and differences between organisms are called? Where is the scientist that tells you were Groudon is? What are advantages and disadvantage of job specification? Can you give an example in a sentence of hypothesis? How do you find out if something has been scientifically proven? How much volume does the average human foot have? What do you call the bits that come off of an eraser when you use it? How is recycling useless? Why is iron only extracted from ores with a large percentage of metal? Why do some people float while other people drown?