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Did you know?

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

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The human body produces and destroys 15 million blood cells every second.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Wandering Albatross at South Georgia Island Wandering Albatross at South Georgia Island
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
This 80-year old man in a village in Hubei, China, has slowed down, but he has not retired. He is ... This 80-year old man in a village in Hubei, China, has slowed down, but he has not retired. He is ...
Fertility, Mortality, and the Net Rate of Reproduction in Sweden Fertility, Mortality, and the Net Rate of Reproduction in Sweden
Special triangles exercise Special triangles exercise
A $50 000 bond bearing interest at 5.5% payable semi-annually is redeemable at par on August ... A $50 000 bond bearing interest at 5.5% payable semi-annually is redeemable at par on August ...
Video: Neuron Type Animation

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