Have a fear of heights? Then these glass wonders are not for you. All of these structures feature crystal clear glass, offering unobstructed views of some of the world's most scenic locations. From ...

Sometimes, in the pursuit of efficiency, we can make big gains by taking cues from nature. Wing design is one place where nature excels, and we've been cribbing its notes for everything from wind ...

Astronomers have identified a remarkable population of distant quasars whose radio jets balloon to scales that make our own galaxy look compact, stretching to widths roughly 50 times larger than the ...

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27,841 people played the daily Crossword recently. Can you solve it faster than others?27,841 people played the daily Crossword recently. Can you solve it faster than others?