Sentences with phrase «many sea slugs»

I just think that humans EVOLVED as hetero - sexual organisms, and if being omni - sexual was so much more beneficial, then we'd all be doin» it like the sea slugs do on discovery channel).
Depending on whim and availability, guests to Buckland's house might be served baked guinea pig, mice in batter, roasted hedgehog, or boiled Southeast Asian sea slug.
A wily sea slug has a way to get two meals in one: It gobbles up smaller predators that have recently gulped in their own prey.
«There is a well - constructed argument that it is some kind of mollusc, like a sea slug.
Unlike most sea slugs that crawl on coral reefs, the nudibranch Fiona pinnata lives on the go.
Among the colourful crabs, sea stars and translucent post-larval octopuses of Temae Reef, at the island of Moorea, French Polynesia, live these stunning sacoglossan sea slugs (Cyerce nigricans).
These seafaring sea slugs live on floating islands of debris, eating gooseneck barnacles and drifting with the currents.
The sea slug was the model organism for Kreiner's thesis research, which explored how cellular mechanisms mediate simple behaviors and led to a publication in Science.
From sea slugs to salamanders, many animals can naturally tap into solar power — and we're learning how to make more
This photo features urchins by Christine Wertheim and a sea slug by Marianne Midelburg.
Long - term memory, reflected in the extended flexion of the gill and the neural architecture of the sea slug, was the end result of the whole chemical parade.
Kandel's elegant strategy was to trace the molecular cascades generated when the sea slug was shocked.
Many of the same molecules have been implicated in both declarative and nondeclarative memory and in species as varied as sea slugs, fruit flies, and rodents, suggesting that the molecular machinery for memory has been widely conserved.
To trace the molecular basis of memory, Kandel was using the sea slug Aplysia, a neurologically simple organism that contains only perhaps 20,000 neurons, many of them quite large.
Surprisingly, even though humans and sea slugs are separated by more than 530 million years of evolution, «Aplysia is similar to humans, more so than humans are with flies and worms,» Kandel says.
For instance, when the researchers analyzed 146 human genes implicated in 168 neurological disorders, including Alzheimer's and Parkinson's diseases, they found 104 counterpart genes in the sea slugs.
The small numbers and large sizes of brain cells in sea slugs make the animals ideal for brain research.
The sea slug Aplysia californica, a red, green or brown hermaphrodite that can grow up to 16 inches long, has the biggest brain cells, or neurons, in the animal kingdom, at up to a millimeter long.
Some sea slugs hold on to these stolen chloroplasts for months.
University of Queensland Visual Ecology Lab member Dr Karen Cheney, of the School of Biological Sciences, said researchers examined sea slugs, or nudibranchs, which had bright colour patterns to warn predators they contained toxic defences.
Sea slugs (Pleurobranchaea) don't normally travel in pairs, but researchers saw several duos following October's trawl.
Gleason was hesitant to speculate on the unusual pairing: she says that sea slug mating habits are not fully understood.
Grosberg had also seen a sea slug every couple of years while another colleague said he, too, had seen only one or two of them.
That conclusion is backed up by a new study of the hermaphroditic sea slug Aeolidiella glauca.
Wolynes said many neurobiologists have followed up on that pioneering work with sea slugs.
Professor Garson said a good analogy for sea slugs, because of their bright colours, was the «butterflies of the ocean.»
Hermaphroditic sea slugs mate more than they need to even though it involves getting stabbed — and it seems to do them some good
She said while fish recognised visual signals such as bright colours, the presence of the same toxic compound in the closely related sea slugs suggested that something else was at play.
«Further tests conducted at the Institute for Molecular Bioscience demonstrated that this compound was more toxic to cancer cell lines than other compounds found in sea slugs
The vitreous cuttlefish and sea slugs evoke an underwater world that few people encounter directly even today.
One afternoon in the late 1980s, a young marine biologist named Drew Harvell unearthed dozens of sea slugs in an upstate New York warehouse.
Brightly coloured sea slugs are slurping deadly chemicals and stockpiling the most toxic compounds for use on their enemies.
«One interesting study aspect is the potency of the compound which five different sea slug species chose to store,» Professor Garson said.
Currently, our robots are little more intelligent than sea slugs, and even after decades of clever research, they can barely distinguish figures from a background at the skill level of an infant.
At a time when brain researchers thought nothing could be learned from invertebrates, Kandel stunned the fledgling world of neuroscience by uncovering the mechanisms of memory in sea slugs, which earned him a Nobel Prize in 2000.
In one patch of reef in the Philippines, researchers found more than 40 different kinds of sea slugs that are likely new to science, including the lacy - looking specimen above.
That includes San Francisco Bay, where the majority of inhabitants are alien species such as Chinese mitten crabs, New Zealand sea slugs and Japanese gobies — all brought by ballast water.
A total of 289 species have been documented arriving this way, including fish, mussels, sea slugs, sea stars, crabs and sponges — all native to Japanese waters.
This article appeared in print under the headline «Sea slugs march north, hinting at US climate shift»
For their part, Byrne and company will now use these same techniques to try to optimize other aspects of the memory formation process in sea slugs.
WARM waters in the Pacific Ocean are encouraging dozens of species of nudibranch sea slugs to head north at a surprising pace.
At the moment, it is still just a proof of principle in Aplysia californica, the sea slugs that are star animals in the laboratories of neuroscientists.
Steve: It is an excellent point; I mean, John, you quote Eric Kandel in your article and Eric Kandel won the Nobel prize for his groundbreaking research into memory and that work was done with a sea slug and basically they have teased out the most basic workings of memory in an invertebrate and these other folks like Kurzweil think that within his lifetime, you're going to be able to understand all the workings of the human brain to the point where you can basically replicate it.
Sea slugs have it down to a fine art, engaging in «sperm trading» to ensure that both partners get their fare share.
In collaborations with others, the team has added expertise in rats and sea slugs.
Neurobiologist Craig Bailey uses confocal microscopy to track the learning - related changes in synapses of the sea slug Aplysia.
Earlier this year, scientists found an invasion in the making: A sea slug that regularly feasts on algae was found to have absorbed algal genes — the ones used to do photosynthesis.
The largest mini-brains-in-a-dish are only 4 millimeters across — roughly the size of a sea slug or jellyfish brain — and, Minnesota's O'Brien said, «a tiny, tiny fraction of the human brain.
Despite its relative paucity of nerve cells, the sea slug shows elementary learning that can be dissected on a molecular scale.
For more information on these Nobel prize - winning studies see: (1) Aplysia sea slugs, (2) Caenorhabditis elegans worms, (3) Tetrahymena ciliates, (4) Drosophila melanogaster fruit flies, (5) Saccharomyces cerevisiae yeast
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