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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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There are approximately 3 million unintended pregnancies in the United States each year.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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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.

Wood first appeared in plants called progymnosperms. Wood first appeared in plants called progymnosperms.
The difference between a human and an ape. The difference between a human and an ape.
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ... Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
Difference-Between-Carbohydrates-and-Lipids-infographic Difference-Between-Carbohydrates-and-Lipids-infographic
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

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