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Did you know?
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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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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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.
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The horizontal fraction bar was introduced by the Arabs.
![C:N ratios differ a great deal among the tissues of pines and between the woody tissues of pines and](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_11_48_17012005.jpeg)
![A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr](https://biology-forums.com/gallery/47/medium_27581_22_04_12_5_16_28.jpeg)