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U.S. mines produced an estimated $75.2 billion of raw mineral materials in 2017 – a 6 percent increase over 2016 – the U.S. Geological Survey announced Wednesday, January 31, in its annual Mineral Commodity Summaries.

Some of the smallest creatures on the planet — zooplankton — make the most widespread vertical migration of biomass on Earth. Billions of these animals move deeper into the ocean and away from the light during the day to avoid predators, and migrate up again in the dark of night to feed.

Clostridium Difficile, or C. difficile, strikes fear into the hearts of many. This life-threatening infection, caused through contact with bacteria, can develop rapidly even under the watchful eye of hospital staff. In fact, it is often spread in health care facilitates or nursing homes due to proximity of the bacteria.

Tropical Cyclone Cebile was still a powerful hurricane in the Southern Indian Ocean when NASA-NOAA's Suomi NPP satellite passed overhead and captured a visible image of the storm. 

A new international study involving ANU has found a plane of dwarf galaxies orbiting around Centaurus A in a discovery that challenges a popular theory about how dwarf galaxies are spread around the Universe.