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Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

The structure of fruits as adaptations for seed dispersal. The structure of fruits as adaptations for seed dispersal.
Variations in seed germination and seedling growth patterns Variations in seed germination and seedling growth patterns
Two common types of seed germination Two common types of seed germination
Seed banks Seed banks
Research that has examined babies' ability to recognize themselves develops in the 2 year Research that has examined babies' ability to recognize themselves develops in the 2 year
Gibberellin and germination, illustrated in a seed of barley (Hordeum vulgare). Gibberellin and germination, illustrated in a seed of barley (Hordeum vulgare).
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

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