Battleship España
Historical photo of the España
The battleship España has a very important place in the history of the Basque Country of northern Spain and is now a protected monument at the bottom of the sea.
WW1 Russian submarine located by Estonian divers
The 400-ton Russian submarine, commissioned in 1911, was the biggest in the pre-revolutionary Russian navy. During the first world war, she served in the Baltic Fleet making 16 patrols and unsuccessfully attacked the German coastal defence ship SMS Beowulf.
In November 1915 during her 17th patrol, she struck a mine and sank near Hiiumaa with the loss of all 35 seamen and came to rest at a depth of about 30 meters.
Reef fish follow their noses
If fish and coral larvae opt to settle in coral-dominated areas instead of the degraded, seaweed-dominated reefs ecologists' efforts to restore reefs could become complicated.
With a series of experiments, a team of researchers led by Danielle Dixson from Georgia Institute of Technologyc ompared water from marine protected areas, where fishing is restricted and corals abound, to water from non-protected areas, where seaweed has largely replaced both corals and fish on the reefs.
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Toadfish loud sex call keep Californians awake at night
Toadfish is the common name for a variety of species from several different families of fish which have a toad-like appearance in common. They are known for their ability to produce sound with their swim bladders.
The endless motor-like sounds are produced by their strong muscles pressing against their balloon-like bladders. They hit the bladder about 6,000 times a minute -- twice the speed of a hummingbird's wings -- and do it during a mating season that usually starts in May and ends in September. The loud hum can last for more than an hour at a time.