Did you know?
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Did you know?
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
The Meselson and Stahl experiment showing that DNA replication is semiconservative
Why are some of the letters above the red line and some letters below?
Ghostly experiment
Line analysis of Titian, Assumption and Consecration of the Virgin.
Experimental Apparatus for Fluidization Experiment
Summary of the Hershey–Chase experiment demonstrating that DNA, and not protein