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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.
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
A levallois core from Kapedo Tuffs, Kenya dates about 130,000 years ago.
Like most world-changing inventions, the printing press of fifteenth-century Europe took advantage o
In 1891 William Dean Howells championed the poetry of Emily Dickinson: “This poetry is as characteri
Climate change occurs over millions of years