In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Did you know?
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
Structure of a mitochondrion
Controlling Surface Runoff
Mirror Neurons in Broca’s Area
IgM only, then IgD and IgM on the surface of a B cell.