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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
![The Ku Klux Klan forces John Campbell, a black man, to beg for his life in Moore County, North Carol](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_28_16_223652243.jpeg)
![When young infants hold objects for a long period of time they eventually become habituated to them.](https://biology-forums.com/gallery/47/medium_637842_18_01_17_6_02_54_245021528.png)