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Did you know?
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
Human sex chromosomes
Romanesque capital showing Samson and the lion (13th century).
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells
Representative Recessive and Dominant Human Traits