Sentences with phrase «over rock surfaces»

He said: «Limpets need high strength teeth to rasp over rock surfaces and remove algae for feeding when the tide is in.

Not exact matches

There were plenty of Tea Party rock stars who spoke at the event including Christine O'Donnell, who may have some explaining to do to social conservatives after comments about her dabbling in witchcraft surfaced over the weekend.
Deep beneath the bleached - out, dusty surface of the drought - stricken West is a stash of water sequestered between layers of rock and sometimes built up over centuries.
They analyzed the magnetism of ancient rocks to work out their locations on the globe over time, and measured how the material under Earth's crust, the mantle, moves the continents that float on its surface.
But rather than a monotonously uniform surface homogenized by impact cratering over the eons, the first up - close look at the asteroid reveals a full palette of mineral «colors» (mapped here in false color reflecting the wide range of rock compositions).
Uranium is enriched in the rocks of the continental crust; however, at Earth's surface, different environments over time have influenced its mobility.
A new study tracing the history of one of those moon rocks, published in this week's Science, adds fuel to a long - running debate over the source of the faint magnetism present on the lunar surface.
This material — vaporized and molten rock — shoots over the surface, disturbing the upper layer of lunar soil and changing its brightness.
A little over five months since making landfall on the blood - red surface of Mars, NASA's remarkable Curiosity rover is heading towards its first sample - drilling target: a flat rock, laced with pale veins, which may yield clues about -LSB-...]
Soil and rocks on the Earth's surface reveal the advance and retreat of glaciers over the land surface, and fossilized pollen traces out rough boundaries of where the climate conditions were right for different species of plants and trees to live.
Visibility is almost non-existent and the surface is at times beautifully smooth, only to degenerate into bucking, craggy sections where the tarmac appears to have been poured straight over thick tree - roots or whatever rocks and debris stood in the way.
It just doesn't feature the same rock - solid, straight - line stability of the German and hunts around some over changing road surfaces.
It's great for inter-city travel (with it being rock solid in a straight line, no matter what speed or surface) or to spend time pondering over board meetings while the chauffeur battles rush hour traffic.
While some sports cars have a busy ride, letting you feel every rock embedded in concrete, and making a loud noise over rough surfaces, the Crossfire cushions out most of the small stuff, while remaining generally firm and hugging the road.
She can just make the crab out, shadowed and distorted, trundling sideways across the rock, and she pursues it, kicking her feet to stay pressed down against the bottom, and then she lays her hands on the cold crisp shell, somersaults in the water, and surges upward into her own plume of hair, up along a passage of black rock, pitted and winding, gaping windows alterately fountaining water or sucking it back, the weeds moving rhythmically in and out with this labored breathing, some trick of the light making the pool's surface into a shifting mirror, and though she should look up and see her grandpa bent over the pool, she can not.
The essence of special situation investing is curiosity — a willingness to look beyond stock screens and turn over rocks, pull on loose threads and unearth rich veins below the surface.
Vertical scratching surfaces should be high enough for a cat to stretch out completely while using them and must be stable enough not to rock or tip over when in use.
In fact, you can pile the rocks right up to the water's surface and not be accused of over decorating.
Then 150 million years later the surface was covered over by sedimentary rock.
The shallowest part is about 12 - 14 metres from the surface and the rock falls away to over 50 metres deep.
«Rock, Paper, Image» will feature over 30 lithographs, an art form made by drawing a design on a stone or metal surface using a waxy, oily substance that repels water but absorbs ink, allowing the image to be transferred to paper, said Mia Lopez, the museum's assistant curator.
Personally I got convinced that warming was underway in the late 1990s after borehole measurements in rocks around the world, far away from civilization, showed unmistakable evidence of warming over the past century... if you log temperature down the hole, you find that extra heat has been seeping down from the surface.
For example, the optical thickness of the CO2 in the atmosphere (if you see an error in this list of things independent of climate, see below), the incident solar radiation and it's distribution over time and space (latitude), variations in surface albedo between ocean, rock, vegetation, etc.).
Now the slow diffusion processes come into play: heat diffuses from the skin layer downward, and over a long period of time, the entire body of rock becomes the same as the surface temperature.
Soil and rocks on the Earth's surface reveal the advance and retreat of glaciers over the land surface, and fossilized pollen traces out rough boundaries of where the climate conditions were right for different species of plants and trees to live.
The sky equals about 10 meter liquid [or frozen solid] over entire surface - so rocks, lawns, dirt, sand, and have little heat capacity as compare to 30 feet worth of liquid air.
Of the remaining 0.5 %, over 4/5 of that comes from geothermal — almost all based on tapping surface volcanic / hydrothermal heat (essentially nothing to date from hot dry rocks).
Researchers found jagged, glassy rock fragments spread out over a 10 square kilometer (4 square mile) area around a series of small volcanic craters about 4,000 meters (2.5 miles) below the sea surface.
According to the study's lead scientists, the new technique relies on measuring extremely small amounts of the nuclide that accumulates as cosmic rays strike exposed rock surfaces over long periods of time.
Uber's boat has been rocked awfully hard over the past several months; it started in February when a former female engineer published a blog post alleging sexist behavior among the company's management, and stories of numerous other scandals subsequently began to surface.
a b c d e f g h i j k l m n o p q r s t u v w x y z