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A recent study published in Current Biology has found that animals living at elevations of 1,000 meters and higher have a ...
Low-altitude aircraft is being developed as a new mode of urban transport. This will give rise to new urban air transport systems, called low-altitude air city transport (LAAT) systems. Recent works ...
The father of Zane Wach, 14, says hallucinations prompted his son to question whether he was dreaming before he fell from a ...
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