The sea lily (Bourgueticrinida) is an order of marine animals referred to as crinoids. They are typically found in deep ocean waters (to a depth of about 18,000 feet). In their adult form, they are attached to the sea floor by means of a stalk.
After the assassination of Julius Caesar in 44 B.C., the Roman Republic was led by the Second Triumvirate, which consisted of Octavian (the adopted son of Julius Caesar), Mark Antony (the magister equitum of Caesar’s army), and Marcus Aemilius Lepidus (a political ally of Julius Caesar).
The bark HMS Endeavour was built in 1764 as the collier Earl of Pembroke. A type known locally as a Whitby Cat, it had a broad, flat bow, a square stern, a long box-like body with a deep hold, and a flat bottom. Originally ship-rigged, it was…
The sea otter (Enhydra lutris) is a member of the weasel family that ran away to sea. It is the smallest of the marine mammals and the only one that does not rely on fat (blubber) for warmth. Rather, it has the thickest coat of fur of any mammal – up to one million strands of hair per square inch.
The magnetic poles are the two points on the surface of the Earth at which the magnetic field points vertically down or up (in the northern and southern hemispheres respectively). These points are located near, but not at the northern and southern geographic poles.
The Spratly Islands are a group of islets, cays, atolls, and coral reefs located in the southern portion of the South China Sea. Taiping Island (also called Itu Aba Island) is the largest of these islets and the only one with fresh water springs.
Teak is the common name for the Tectona grandis, a member of the verbena family native to the hardwood forests of India, Burma (Myanmar), Thailand, Malaysia, and Indonesia. It is a large deciduous tree, growing to a height of 130 feet, with gray and grayish brown branches.
The Strait of Malacca is named after Malacca, now part of Malaysia. In about the year 1400, Parameswana, the last Raja of Singapura, was expelled from the area around present-day Singapore by local rivals. He relocated to the fishing village of Malacca…
Elephant seals are large seals represented by two species, the northern elephant seal and the southern elephant seal. Both were hunted to near extinction through the end of the nineteenth century. The smaller northern elephant seal is found in the eastern portion of the North Pacific Ocean…
Elisha Kent Kane (1820-1857) was born in Philadelphia and graduated from the University of Pennsylvania Medical School in 1842. Joining the United States Navy as a medical officer, he served in the China Commercial Treaty mission of 1844, in the Africa Squadron…
Once the Dutch decided to compete with the Portuguese and the Spanish for maritime commerce with East Asia, they jumped in with both feet. After establishing a base in Batavia (modern-day Jakarta), they focused on trade with China and Japan.
On 26 April 1956, the ship Ideal X departed Port Newark, New Jersey on a voyage to Houston, Texas. The ship had been launched in 1945 as the T-2 tanker SS Potrero Hills. The ship had made many voyages in the intervening eleven years, but this was different.
The albatross is the largest of all birds in terms of wingspan (up to 12 feet). It can be found soaring above all ocean waters of the Southern Hemisphere and above the North Pacific. It is largely absent from the North Atlantic, probably due to loss of habitat.
The United States Navy disposes of many of its old, obsolete, and decommissioned warships by sinking them in deep ocean waters. This practice, called a sinking exercise or SINKEX, involves removing toxic and hazardous substances to the maximum practicable extent…
The whoosh you experienced at about 1900 UTC on Monday, January 3, 2011 was the sun passing by on its closest approach to the Earth – a mere 91,402,505 miles away. This recurs every year, often at night when it can’t be observed. The date and…
Nikumaroro (previously known as Gardner Island) is a small coral atoll in the central Pacific Ocean situated just south of the Equator and just west of the 180th meridian. It lies in the Phoenix Island Chain and is part of the Republic of Kiribati.
The requirement for scanning of 100% of maritime shipping containers in overseas ports prior to loading on a ship bound for the United States was enacted into federal law (with various caveats) by the Implementing Recommendations of the 9/11 Commission Act of 2007.
The Turkish Straits consist of two narrow straits in northwestern Turkey, the Bosporus and the Dardanelles, and the Sea of Marmara that connects them. The Turkish Straits lie between the Black Sea to the east and the Aegean Sea, which is a region of the much larger Mediterranean Sea.
The US Coast Guard adopted the concept of geographic districts when it absorbed the US Lighthouse Service in 1939. Previously, it had no formal segmentation of its chain of command based on geography. Rather, the chain of command was grouped around function.
The trireme was utilized as a warship in the Mediterranean Sea from the 7th century BC until the fall of the Roman Republic at about the commencement of the Christian era. No other warship design has survived in service for a comparable period. It was truly the dominant battleship of its day.