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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.
An electrocardiogram (EKG) wave, a record of the electrical signal as it moves through the conductio
The structure of skin (a) and epidermis (b) at the microscopic level.
Frank Lloyd Wright, Drawing for Fallingwater, Kaufmann House, Bear Run, Pennsylvania.
How much the temperature will rise depends on many factors that affect the level of GHG emission
Rising sea level: Some areas will be affected by a rise of just 40 cm
In amphibians, lizards, snakes, and turtles, the heart has three chambers: two atria and one ventric