The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Everyone has one nostril that is larger than the other.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Phenolic compounds as secondary metabolites
Hydrogen bonding of water with itself and with other compounds
Two-point gait.
Some terpene compounds
An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ...