Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
The hair cycle
Vascular Bundles in Stems (Part 2)
rRNA processing
The flow of genetic information
Drosophila life cycle
Several parts of the brain are involved in the interpretation of stress and responses on the part of