The oldest evidence of the use of bows to shoot arrows dates to about 10,000 years ago; it is based on pinewood arrows found in the Ahrensburg valley north of Hamburg. They had shallow grooves on the base, indicating that they were shot from a bow.
Sudden infant death syndrome. Sudden infant death syndrome (SIDS), also known as cot death or crib death, is the sudden unexplained death of a child less than one year of age. Diagnosis requires that the death remains unexplained even after a thorough autopsy and detailed death scene investigation. SIDS usually occurs during sleep.
Medical Definition of Mortality, infant Mortality, infant: The death of an infant before his or her first birthday. The infant mortality rate is, by definition, the number of children dying under a year of age divided by the number of live births that year.