Examlex
By the end of this century,solar cells will be the world's number one source of electricity according to the chief engineer for General Electric.
Trimesters
The three periods of approximately three months each into which pregnancy is typically divided.
Embryonic Periods
Stages of development that occur in the embryo during the first 8 weeks after fertilization.
Sudden Infant Death Syndrome
An unexplained death, usually during sleep, of a seemingly healthy baby less than a year old.
Respiratory Problems
Health issues related to the lungs and breathing, such as asthma or chronic bronchitis.
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