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Secret of how Roman concrete survived tidal battering for 2000 years revealed It is a mystery that continues to baffle modern engineers. Why do 2,000-year-old Roman piers survive to this day, yet modern concrete seawalls embedded with steel crumble within decades?
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Frog evolution linked to dinosaur asteroid strike The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that killed off the dinosaurs, a study suggests.
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SpaceX Scrubs Satellite Launch Just Before Liftoff Again For the second day in a row, SpaceX scrubbed the launch of a communications satellite with just 10 seconds left on the countdown clock.
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Live coverage: SpaceX's Dragon supply ship ends month-long mission Live coverage of the departure of SpaceX's Dragon supply ship from the International Space Station and its splashdown in the Pacific Ocean with several tons of experiment samples and cargo.
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Another July 4th Anniversary: Pathfinder's Landing On Mars Twenty years ago Tuesday, a plucky little probe named Pathfinder landed at Ares Vallis on the surface of Mars. It didn't land in the traditional way, with retrorockets firing until it reached the surface.
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Scientists baffled by strange sea creatures near Alaska Strange sea creatures that resemble large pink thimbles are showing up on the coast of southeast Alaska for the first time after making their way north along the West Coast for the last few years.
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Enthusiasts in Arkansas ready to see eclipse; most of sun will be hidden Map showing the path of the moon's umbral shadow during the total solar eclipse on Aug. 21. Latest headlines. Darren McFadden: Went to Little Rock club after shooting to check on relatives, offer help · Fatality reported in traffic crash in southwest ...
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NASA releases stunning views of Jupiter's Great Red Spot As Juno prepares for an up-close look at Jupiter's giant storm, astronomers are supplementing their knowledge with Earth-based observations.
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