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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.
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Post–Main-Sequence Evolution of Low-Mass Stars
The roles of chloride channels in inhibitory synapses.
Demonstration of multiple origins of replication along a eukaryotic chromosome