The structures are inspired by sea urchin shells, which are elnclosed yet lightweight and porous. The architects recreated the intricate patterns of urchins using white double-braided polyester ...

Sea urchins have a hard, chalky shell covered in long spikes. Nestled among the spikes are tubular stalks topped with biting jaws known as pedicellariae.

The rectangular fragment second from the top on the left-hand side is from a sea-urchin shell. Numerous forams— relatives of single-celled amoebae—are also pictured here: the chambered spiral on the ...

Hundreds of “sea potatoes”—actually the empty shells of a species of sea urchin—mysteriously washed up on Cornish beach last weekend Katherine J. Wu - Correspondent ...

Someday, optical communications and high-speed computing might owe their success to a little ocean creature: the sea urchin. Materials scientists have fabricated a photonic crystal using a piece ...

And, heart urchin shells consist of more air than chalk. In fact, as one gets up close to the shell material, it begins to resemble soapsuds.

Sea urchins are ocean-dwelling animals known as echinoderms, related to starfish and sand dollars. They have a hard shell bristling with spines (urchin gets its name from the old English word for ...

The anus of the sea urchin is found at its topmost point, and the five orange “tongues” or “corals” that radiate around it just under the shell are the egg- or sperm-bearing gonads of the ...

But several sea urchin shells, called tests, were still scattered among the feather-boa and palm kelp, hermit crabs, sea anemones and mussel shells that fill the tide pools.

Sea Urchin Yields Key Secret Of Biomineralization Date: November 1, 2008 Source: University of Wisconsin-Madison Summary: The teeth and bones of mammals, the protective shells of mollusks, and the ...