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Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria. A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs
What is the contribution of studying wing spot in the field? What is the contribution of studying wing spot in the field?
Video: Role of the respiratory system - effect of altered ventilation rates

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