Why Are Beach Pebbles Round?
Why Are Beach Pebbles Round? The pebbles that are to be found on a beach are invariably round and smooth owing to the constant battering they have received from the...
Read MoreWhy Are Beach Pebbles Round? The pebbles that are to be found on a beach are invariably round and smooth owing to the constant battering they have received from the...
Read MoreWhat Is a National Park? A National Park is an area where natural scenery and wildlife is protected by law to preserve them for future generations. It is only recently...
Read MoreWhen Does an Atoll Start to Form? An atoll or coral reef begins to form when tiny marine animals called coral polyps attach themselves to rocks on the sea bed. The...
Read MoreWho First Explored the Mississippi? A Spanish explorer, Hernando de Soto (1496-1542) on May 8, 1541 became the first European to encounter the wide and muddy waters of...
Read MoreWhere Is the Hellespont? The Hellespont is the ancient name given to the strait of the Dardanelles which joins the Eastern Mediterranean to the Sea of Marmara. The Sea...
Read MoreHow Did Constantinople Get Its Name? Constantinople, now the Turkish city of Istanbul, was called after the Roman emperor Constantine the Great. The name means city of...
Read MoreWhat Is the Heligoland Bight? The Heligoland Bight, also known as Helgoland Bight is an arm of the North Sea extending south and east of the red sandstone island of...
Read MoreWhat Are Artesian Wells? Artesian wells are those from which water flows freely. These wells are man-made and are created by boring into the rock to a channel that is...
Read MoreWhen Was the Sextant Invented? The principle of the instrument was first implemented around 1731 by John Hadley (1682–1744) and Thomas Godfrey (1704–1749), but it was...
Read MoreWhere Is the Dust Bowl? The name Dust Bowl was given to the man-made desert in the Central United States in the 1930’s. There dust storms blew which were as...
Read More