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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.