Amongst the myriad secrets lost to the ancient world was the formula for Roman concrete: uncannily more robust than today’s mixtures, there are ancient Roman seawalls and harbor piers, built two millennia ago, that are still standing today, whereas modern concrete would require maintenance every few decades under the same aquatic conditions. But now, a new study may have uncovered how the ancients made their long-lasting concrete, suggesting that the secret of this forgotten formula may not truly be set in stone.
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Of many mysteries surrounding the area known as the Bermuda Triangle, a recent emergence of a mile long sandbar, dubbed "Shelly Island" by a child collecting shells, has attracted much attention from the community nearby at North Carolina’s Hatteras Point. This type of land mass often appears only to be swept away again by the southbound Labrador Current whose cool waters cause unruly conditions when met by warmer waters of the Gulf Stream.
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While the recently-released batch of 15 UFO documents from the UK’s Ministry of Defence failed to reveal any information amounting to the proverbial "smoking gun" evidence that the ufology community has been searching for, the files did contain provocative reports of a UFO encounter involving RAF and USAF aircraft crews over the Mediterranean, and a multiple-witness sighting involving local police in eastern England.
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