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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.
Cnidarians have specialized stinging cells called cnidocytes
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Infants often rely on a caregiver as a secure base when they meet a new person.
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period