AUCKLAND, New Zealand, July 22 (UPI) -- That loud noise heard along rocky reefs near New Zealand at dawn and at dusk are sea urchins chowing down -- loudly, scientists said.
... shells of mollusks, and the needle-sharp spines of sea urchins and other marine creatures are made-from-scratch ... to answer was how this amorphous-to-crystalline transition occurs. The sea urchin larval spicule is a model system ...
The teeth and bones of mammals, the protective shells of mollusks, and the needle-sharp spines of sea urchins and other marine creatures are made-from-scratch wonders of nature.
It may be prickly on the outside, but the sea urchin’s spines hide — well, if not a heart of gold, at least teeth of calcite.
... spines of sea urchins make them look like pin cushions, but these marine invertebrates also have very sharp ...
Voracious sea urchins are stripping coral reefs off Australia, depriving fish of key habitat, scientists say. The potential solution? Strategic deployment of urchin-eating lobsters. Video.
... comprehensive investigation into the axial complex of sea urchins (Echinoidea), an internal structure with unknown function ... the structure of the axial complex of specimens from almost all sea urchin orders. These data were extended with invasive ...
... , how do they come to behave as if they were single crystals?" The sea urchin is a common marine animal that eats ... identified how crystallinity propagates through the forming sea urchin tooth. To understand how a shapeless material ...
Sea urchins may use the whole surface of their bodies as eyes, scientists now suggest.
... hollow spherical structures with spines – little sea-urchins, as it were! Tightly packed on the underlying substrate, the sea-urchins lend it a three-dimensional structure, thereby increasing considerably its surface area ...
Sea urchins are likely to be able to adapt to increasingly acidic oceans caused by human-induced climate change, a study says.
A very close look at sea urchins has uncovered the mystery of how the animals can literally chew through stone without dulling their teeth.
... of such contaminants in the environment, a researcher has proposed exposing sea urchin embryos to sediments suspected of being contaminated, in order to quantify any biological response from the organisms ...
Sea urchins, prized for their edible gonads, resort to cannibalism when starved and forced into overcrowded tanks, according to new research.
Sea urchins may use their entire bodies—from the ends of their "feet" to the tips of their spines—as one huge eye, a new study says.
