This footage of an unknown craft was filmed over Istanbul in Turkey on Thursday, 12th June 2014.
AI is analysing human speech to allow it to converse in English and Chinese
A radical solution aimed at tackling disastrous losses of sea ice in the Arctic could see a network of devices set up to help replenish ice sheets.
A video complication of the best UFO sightings filmed in April 2013
This video of a large bright unknown object was filmed over New Orleans, Louisiana on the 7th June 2013
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