Bordeaux Mixture, a liquid used for controlling fungi on plants. It is a mixture of copper sulfate, hydrated lime, and water. Bordeaux mixture is used by florists, fruit growers, and gardeners to prevent mildews, rusts, scabs, and other fungus plant diseases. Its name comes from the early use of the mixture by members of the Academy of Science at Bordeaux, France. Bordeaux mixture was first used in the 1880's to kill mildew and other parasitic growths on grapevines. Use of the mixture spread from France to other countries.
The big bang theory is well-known, but there are many misconceptions about it. Like what? Let's start with this one: There was no bang.
Comets are remarkable pieces of our universe's past, and they tell us a great deal about how the universe was formed. Learn about the long but rewarding process of discovering and analyzing comets.