New underwater robot swims and senses like a fish

In recent years, robotic underwater vehicles have become more common in a variety of industrial and civil sectors. They are used extensively by the scientific community to study the ocean. For example, underwater robots have ...

A new bizarrely shaped spoon worm, Arhynchite hayaoi, from Japan

A new species of the peculiarly shaped spoon worms has been recently discovered in Japan, and described in the open access journal Zookeys. These animals derive their name from their elongated and spoon-like projection (the ...

Rapid changes in the Arctic ecosystem

(Phys.org)—Huge quantities of algae are growing on the underside of sea ice in the Central Arctic: in 2012 the ice algae Melosira arctica was responsible for almost half the primary production in this area. When the ice ...

New fossils suggest ancient origins of modern-day deep-sea animals

A collection of fossil animals discovered off the coast of Florida suggests that present day deep-sea fauna like sea urchins, starfish and sea cucumbers may have evolved earlier than previously believed and survived periods ...

Glass sponge as a living climate archive

(PhysOrg.com) -- Climate scientists have discovered a new archive of historical sea temperatures. With the help of the skeleton of a sponge that belongs to the Monorhaphis chuni species and that lived in the East China Sea ...

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