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Did you know?

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.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

The meandering Okavango River, Botswana. The meandering Okavango River, Botswana.
Food web associated with algal turf during the summer in the Eel River, California. Food web associated with algal turf during the summer in the Eel River, California.
The Old River Flood Control Structures The Old River Flood Control Structures
Aedes mosquito, the vector for West Nile virus encephalitis. Aedes mosquito, the vector for West Nile virus encephalitis.
Nile Crocodile. Nile Crocodile.
US Airways Flight 1549 floats in New York’s Hudson River after collisions with geese incapacitated ... US Airways Flight 1549 floats in New York’s Hudson River after collisions with geese incapacitated ...
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

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