Tag: "shell" at biology news
Why monkeys don't hear as well as humans
...is the small, closed environment. Less air in the shell
makes the sound frequencies more susceptible to temperature. "Air molecules are like people moving around in a crowded room at a cocktail party. The warmer it is, the more molecules - or cocktail guests - run around, and it creates noise. With thi...
Maryland crab shell team wins top engineering award
Baltimore, MD- For cracking open markets for crab shell
waste--tons and tons of it from Maryland's crabmea...es. At center stage of the project is a new crab shell
processing plant, Chitin Work's America Inc. in Cambridge, Md. It is a direct result of research at...
The college of veterinary medicine and the institute of nautical archaeology team up at Texas A&M University
...onglomerates, held together by corrosion, sand and shell
deposits. The CT scan was used to make images of five millimeter thick slices obtained sequentially from each of the artifacts. "We were not sure this was going to be a successful endeavor because we had no way of knowing what material was inside. ...
Calcium and Lead: should you worry?
...lcium supplements, including seven natural, oyster shell
products. Of those seven, four (Spring Valley, Nature Made, Os-Cal and Eckerd) had up to two micrograms of lead in each dose. Thats well below the absolute maximum daily intake of lead, which is six micrograms. Of the 14 refined calcium supplements ...
Study reveals structure of DNA packaging motor in virus
...ches of the virus' genetic material into its outer shell
during the process of viral replication. Details...or that is positioned at the entrance to the virus shell
and feeds DNA into the shell, and a novel ribonucleic acid (RNA)-enzyme complex that converts chemic...
DNA "Motors" are key to virus replication
...ches of the virus' genetic material into its outer shell
during the process of viral replication. The work was made possible in part by the National Science Foundation (NSF), through its Molecular Biophysics program. The results point to new opportunities in nanoscience, according to NSF program dir...
Seven decades of management virtually wipes out life from the tidal flats of the Colorado River Delta
...counting the seasonal oxygen isotope cycles in the shell
(In the spring, water from snow melt has fewer iso...ny system where we have a fossil record containing shell
material from the last centuries or millennia -- rivers, deltas, coastal zones, or marine shelves -...
Researchers expand dating of marine animals to brachiopods
... showed that time-averaging patterns in brachiopod shell
accumulations were very similar to those derived previously for mollusks. The similarities included the fact that, while most shells are younger than a few hundred years, the accumulations included shells from a period of thousands of years. The rese...
Sea Grant and CTDEP announce $3.5M for LI Sound lobster research
...rojects to investigate the causes of mortality and shell
disease syndrome in Long Island Sound lobsters. The $3.5 million research fund is projected to include $2.5 million in Federal funds as proposed by NOAA's National Marine Fisheries Service (NMFS) and awaiting final Congressional approval as part of ...
Study finds rare juvenile turtles
.... Age is determined by examining the rings of the shell
of the turtle, called "annuli." Full maturity is not reached for 15-20 years so one might think finding juveniles would be a snap. Not so, according to Gibbons, who says the difficulty comes from identifying where juvenile Blanding turtles live. "...
Lasers to the aid of embryos
...nfrared diode laser beam to make a 'tunnel' in the shell
immediately before the embryo is transferred to the uterus. Two to three 20-30 millisecond bursts of energy are all that are needed to ensure the embryo's escape and maximise its chance of implantation. From hatching to transferring the embryo to the...
Potential gene therapy carriers created that mimic viruses, without the risk
...filled either with meat or sweets. The knedels are shell
cross-linked structures surrounding a hydrophobic, or water insoluble, core domain. Needless to say, the knedels are too small to see with the naked eye. They have diameters ranging from 10 to 100 nanometers, so that they are of similar size to man...
Virus study reveals how nature 'super-sizes' tiny structures
...ive protein subunits, called a pentamer. The virus shell
consists of 1,680 trimers and 12 pentamers. The tr...idual molecules come together that gives the virus shell
its strength and makes it stable." Two smaller viruses, the adenovirus and the bacteriophage PRD 1 v...
Researchers glimpse polio virus as it enters host cell
...us appears to make tiny adjustments in its protein shell
that allow it to grab onto its host receptor more ...bound, the virus creates temporary openings in its shell
through which it throws out tiny protein threads which embed in the host cell membrane, not only anc...
20th century marks achievements in food science and technology
... and red meats (1997). Pasteurization process for shell
eggs, ohmic heating (passes an electrical current through food to heat it rapidly to a sterilizing temperature), and flash pasteurization (rapid heating and cooling) of fresh juices commercially applied to enhance safety and quality of foods. High p...
Invasion of alien parasite halted; California coast cleared of African worm in abalone
...g worm from South Africa -- one thatsettles in the shell
of the abalone. Now they have hope. They do not ac...stead, it managesto embed itself in the developing shell
of the abalone, getting the growingabalone to seal it off into its own tiny fluted home near the ope...
Nature publishes secret of abalone shell strength
...bers based on nature's design. The abalone shell
is roughly 3,000 times more fracture resistant tha... crystal plates ofmineral that make up the abalone shell
are held together with many molecules ofa protein that have a truly enormous capacity to absorb shoc...
UCSF Scientists Report On A Transcription Factor That Could Stimulate Heart Cells To Repair Damage Caused By Heart Attacks Or Birth Defects
...ge genes for hCdc5 and related proteins inside the shell
of a virus thathad its own DNA removed. An interventional cardiologist could use a catheter totarget delivery of these biological "drugs" to surrounding heart cells, so thatthey might divide and rejuvenate the damaged tissue. At the moment, gene the...
Study Bolsters Theory Of Plant Nutrients Trapped In Soil
... "Think of a molecule of humic acid as a shell
that isvery strong, but if you hammer on it long enough, you cancrack it and release what's inside," Hatcher said. If so, researchers could one day releasenutrient-generating...
Seabed Silt In Indian Ocean Consists Of Remains Of Summer Plankton
...to the land turned out to be composed primarily of shell
fragments and only partly of the remains of plankton skeletons. The shell
fragments are produced in coastal waters and are washed into the deep ocean at the end of the summer...
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