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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Excessive alcohol use costs the country approximately $235 billion every year.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Medication errors are three times higher among children and infants than with adults.

These species are all at risk of extinction. These species are all at risk of extinction.
A section through the human brain A section through the human brain
Heat Stress and Wind Chill: Indices of Human Discomfort Heat Stress and Wind Chill: Indices of Human Discomfort
Human mtDNA molecule, showing the locations of HVS I and II regions relative to other mtDNA genes Human mtDNA molecule, showing the locations of HVS I and II regions relative to other mtDNA genes
Human Lungs (Respiratory System) Human Lungs (Respiratory System)
Video: Cataract

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