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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
There are more sensory neurons in the tongue than in any other part of the body.
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.