In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
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There are 60,000 miles of blood vessels in every adult human.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
The breeding and wintering grounds of the American redstart, Setophaga ruticilla.
Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha
French and U.S. presidential elections in 2012 illustrate the durability of political culture and ho
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Sign on methanol pump shows that methyl alcohol is a poison and can cause skin irritation and other ...