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Author Question: Part of the purpose of single subject design is to demonstrate experimental control and intervention ... (Read 38 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
There are 20 feet of blood vessels in each square inch of human skin.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.