Dentistry study pinpoints role of proteins that produce pearls

Pearls are among nature's most beautiful creations, and have been treasured for countless centuries. Beneath one's iridescent surface lies a tough and resilient structure made of intricately arranged tiles of calcium carbonate ...

Fires in Australia pop up in places already burned

Fires that span across the Northern Territory and Western Australia appear to have broken out in areas that have already been burned in previous fires. Areas that sport "burn scars", those areas that are a darker, almost ...

NASA tracking Hurricane Maria on Bahamas approach

NASA-NOAA's Suomi NPP satellite provided a look at Maria's temperatures to find the strongest sides of the storm, while NOAA's GOES satellite revealed the extent of the storm in a visible image as it moved toward the Bahamas.

Russia floats out powerful nuclear icebreaker

Russia on Friday held a launching ceremony for a powerful nuclear icebreaker, called Sibir (Siberia), in its drive to prepare a fleet for navigating the Northern Passage and hauling goods, particularly energy, to Asian markets.

Indonesia raises Bali volcano alert to highest level

Indonesian authorities have raised the alert level for the Mount Agung volcano on the tourist island of Bali to the highest level, and some 10,000 villagers have left their homes around the mountain, officials said Friday.

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