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The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. [1] It is constructed of modified bony elements such as the ribs, parts of the pelvis and other bones found in most reptiles.
A turtle shell is a bio-composite consisting of a keratin-coated dorsal shell, or carapace, and a flat interior made of cancellous bone sandwiched between thin layers of cortical bone. The flat, bony configuration allows for significant weight reduction, thereby resulting in higher stiffness, strength, and toughness-to-weight ratios.
A tortoiseshell ornament from Micronesia Cabinet with tortoiseshell veneers French singing bird box with a case made out of tortoiseshell.. Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely because of its ...
The most common way to turtle is to build large numbers of towers, turrets, and other defensive structures to fire on enemy units. Turtle armies may also incorporate large groups of artillery units to extend effective range and prevent opposing artillery units from attacking with impunity. [1] The turtling strategy has some major weaknesses.
SYDNEY/LONDON (Reuters) -Shares around the world nudged lower on Monday on soft economic numbers from China and Europe and as surging bond yields challenged equity valuations, at the start of a ...
What a difference three years makes. In January 2022, Hugh Jackman and Sutton Foster were married to other people and preparing to play love interests in Broadway’s The Music Man.Now they’re a ...
Cryptodira is commonly called the "Hidden-Neck Turtles" or the "Inside-Neck Turtles". Cryptodira differ from Pleurodira (side-necked turtles) in that they lower their necks and pull the heads straight back into the shells, instead of folding their necks sideways along the body under the shells' marginals.
In the early hours of New Year’s Day, Elon Musk lobbed a series of angry posts and allegations towards British Prime Minister Keir Starmer – engulfing his government in a very public fight ...