A research group at University of Tsukuba has discovered that the entrance to the gut (pylorus) and the exit (anus) of sea urchin larvae open in response to light, each to different wavelengths. This ...

Left: This is a cross-section of the spine showing its hollow center and porous wall architecture (scale bar = 1.0 millimeter). Right: This is the outer surface of the spine. Barbs point toward ...

This project systematically visualizes the internal (and external) anatomy of selected sea urchin specimens representing 13 of the 14 currently recognized sea urchin orders. The only specimens that ...

Warming waters and over-hunting the marine mammals that once brought balance to the ecosystem have led to an overpopulation of Pacific purple sea urchins. And while sprawling urchin barrens sound like ...

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...

Sometimes new parents get lucky. They get “easy” babies. Young sunflower sea stars are the fussy kind—but their adoptive ...

"We know the pathogen hurts," says Dr Omri Bronstein at Tel Aviv University, placing a dead black sea urchin - its body the size and shape of a flattened tennis ball - into my hands. He says there ...

The discovery, led by researchers at the University of South Florida College of Marine Science and published in The ISME Journal, reveals how the spread of a microscopic pathogen threatens sea urchin ...

The sand around him was strewn with fossil shark teeth, sea urchin spines ... Gingerich was searching for a key bit of the creature's anatomy, and he was in a hurry. The light was failing ...

When it comes to expensive delicacies, one my favourites is sea urchin, or uni in Japanese. If I see it on a menu, I'm almost sure to order it. Because its delicate flavour is so elusive ...

By Mekado Murphy ‘Conclave’ | Anatomy of a Scene The director Edward Berger narrates a sequence from his film, featuring Ralph Fiennes. By Mekado Murphy ‘Smile 2’ | Anatomy of a Scene ...