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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.
Volcanic plateaus (red) and impact basins (blue) dominate this topographic map of Mars
The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ...
The rock cycle and the Earth’s physical environment
La Niña: The impact of natural cycles