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Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Thyroid conditions may make getting pregnant impossible.