Sentences with phrase «of snail shells»

An example was George Kukla's study of snail shells and pollen in layers of loess (wind - blown dust) in Czechoslovakia — another study that was designed to investigate gradual shifts, but in which a close look at the data revealed unexpectedly abrupt transitions.

The interpretation of caves as an access to the underworld is enforced by evidence of snail shells, which had death symbolism, strewn along paths inside many caves.

Just inside the cave mouth and within the twilight zone, the team found pots and large offerings of snail shells.

Carved from the base of a snail shell, it dates back some 16,000 years.

Not exact matches

Easton likes to serve lumache, which literally translates to «snail,» with beautiful garden vegetables to parallel the shape of the shell.

Records dating between 100,000 to 135,000 years ago from northern and southern Africa revealed snail shells that humans had poked holes in and strung in order to wear them as necklaces, Fuentes noted, saying such behaviors are signs of humans creating meaning.

Most hermit crabs favor snail shells, although some use the shells of bivalves, like clams and scallops, and others have made do with driftwood, stones and pieces of glass or plastic bottles.

The thin - lipped variety has sturdier jaws and more teeth, to crack the shells of the snails it feeds on.

Take snails that have shells, pick them, and with the juice that cometh from them rub the wart every day for the space of seven or eight days, and it will destroy them.

From that point on, all the symmetry of the snail was completely reversed from what would be expected from its ancestors, including the bodily position of organs such as the heart or anus, and the direction of coiling in the conical shell.

By gently prodding snail embryos with fine glass rods, Japanese researchers were able to temporarily change the shell's direction of rotation.

By «shells», Geerat Vermeij means mainly molluscan shells, especially those of snails and bivalves.

The fishhooks, all carved from shells, were found in Sakitari Cave, which was occupied seasonally by fishermen taking advantage of the downstream migrations of crabs and freshwater snails.

An increasingly acidified Pacific Ocean is dissolving the shells of tiny marine snails that live along North America's western coast.

Otters that ate lots of hard - shelled snails — and used tools most frequently — rarely shared a common pattern in mitochondrial DNA, nor were they more closely related to other tool - users than any other otter in the population.

Timeframes are identified through radiocarbon dating of freshwater snail shells and other organic soil matter.

In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).

You report that researchers at the Massachusetts Institute of Technology have discovered how the structure of a snail's shell absorbs...

The Cone Snails While growing up in the Philippines, biochemist Baldomero Olivera collected the shells of cone snails — small, tropical marine snails whose harpoonlike hook snags and paralyzesSnails While growing up in the Philippines, biochemist Baldomero Olivera collected the shells of cone snails — small, tropical marine snails whose harpoonlike hook snags and paralyzessnails — small, tropical marine snails whose harpoonlike hook snags and paralyzessnails whose harpoonlike hook snags and paralyzes fish.

The method was used to measure the breakdown of amino acids within shells of a freshwater snail found at the site (Nature, vol 438, p 1008).

Hendricks compared the preserved patterns with those of modern Caribbean cone snail shells and found that many of the fossils showed similar patterns, indicating that some modern species belong to lineages that survived in the Caribbean for millions of years.

A researcher at the University of the Philippines Diliman (UPD) is studying the ancient Japanese culture of «ama» — women who traditionally free - dive in the sea in search of seaweed, lobsters, snail «turbo» shells and, in the distant past, pearls — and its potential connections to Philippine maritime cultures.

The shells of marine snails known as pteropods, an important link in the marine food web, are already dissolving.

The snails probably survive because of their small size (less than a tenth of an inch long, on average) and compact shells.

Wada discovered the snails» odd means of travel after finding undamaged shells in bird droppings.

This became obvious when the researchers noticed that the mounds were littered with the shells of dead freshwater snails.

Bundles of chromosomes in snail embryos (red arrows in top panels) and cell boundaries (white arrows in middle panels) start twisting early in development for snails with right - spiraling shells (right column).

The shells of tiny marine snails that live along North America's western coast are dissolving in an increasingly acidified Pacific Ocean.

The ratio can be found in snail shells, flower petals, the shape of hurricanes, and even galaxies.

As they analyzed a pair of 66 - to 100 - million - year - old plesiosaur skeletons found near Hokkaido, Japan, the researchers realized the fossilized bones of the toothy, quad - flippered marine reptiles * were surrounded by fossilized shell fragments from provannids, a type of tiny snail.

By measuring the decay of a radioactive metal locked into the shells and rocks, Osborne's team showed that the buried snails must have incorporated water that flowed from the volcanoes.

They focused a tight beam of light through the shell's opening, mimicking the light emitted from the animal's cells, and found that the entire snail lit up.

But there's a mystery to this bioluminescence: The snail's body sports just a handful of glowing cells, yet its entire shell lights up.

The ancient finds, referred to as shell beads by Abdeljalil Bouzouggar of the National Institute of Archaeological and Historical Sciences in Rabat, Morocco, and his coworkers, come from snails of the same genus as do 75,000 - year - old perforated shells previously discovered in South Africa.

They target the largest rock oysters, bludgeoning them with stone hammers, and pry open the meatiest snail and crab shells with the flattened edges of their tools.

Ocean acidification threatens the ability of pteropods to form their fragile shells, putting a range of commercially important fish at risk that depend on the small snails for food, including salmon, herring and yellowfin tuna as well as mammals like baleen whales, ringed seals and marine birds.

The snails in question are of the giant African land snail species Achatina fulica, which can grow shells up to 20 centimeters long.

Because of the rapid growth rate of the snails, which are a widespread invasive species in India, moisture - sensitive oxygen isotope ratios in growth bands in the animals» shells preserve week - to - week rainfall rates, the researchers found.

The shells of a large, invasive snail in India can provide exceptionally fine grained records of past precipitation in the region, a new study finds.

The rainfall patterns reconstructed from the 2009 snail shells have «good consistency with rainfall,» said Anant Parekh of the Indian Institute of Tropical Meteorology, Pune, India, who did not participate in the project.

By measuring isotope ratios in shells from some of these snails from as long ago as 1918, the researchers have demonstrated that they could reconstruct the subseasonal rainfall rate of past monsoon seasons.

These snail shells, which are made of calcium carbonate, could fill in gaps in historical rainfall records and help scientists understand the evolution of monsoons on the Indian subcontinent, he explained.

This is similar to a snail using a shell as a form of armor from predators.

Slow down signs of aging with Dr. Organic's Snail Gel, which utilizes the exclusive substance snails produce in order to restore their shells and skin.

These beautiful snail shaped shell earrings are of a fine green patina set with pearls giving them an opulent quality.

Starring an ivory intarsia of a snail tucked into a heart - shaped shell, this ModCloth - exclusive pullover provides the world with a delightful taste of your darling personality.

The exposed dark band, about 20 inches deep, was an almost solid mass of snail and mussel shells.

They were originally applied to everything from studies of the universe to defining the curvature of naturally occurring spirals, such as those found in snail shells and the pattern of seeds in flowering plants.

In fact the series of numbers that Mr. Fibonacci discovered were used in everything from studies of the universe to defining the curvature of naturally occurring spirals, such as those found in snail shells and the pattern of seeds in flowering plants.

They are thrilled to eat snails, shell and all, and even respond well to canned snails, such as Zoo Med's Can O» Snails, one of our most popular canned reptile snails, shell and all, and even respond well to canned snails, such as Zoo Med's Can O» Snails, one of our most popular canned reptile snails, such as Zoo Med's Can O» Snails, one of our most popular canned reptile Snails, one of our most popular canned reptile foods.