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Tag: "float" at biology news

The kapok connection -- Study explains rainforest similarities

... size of a sunflower seed, are buoyant and able to float down rivers along which the colossal trees grow. Dick and colleagues investigated which of several possible scenarios could be the reason for the current distribution of Ceiba pentandra. Dick concluded that extreme long distance travel by wind ...

Novel system developed to turn data into real-time, interactive 3-D images

...o a three-dimensional (3-D) object that appears to float in midair." The technology will allow for manipulation of the volume-rendered object in real-time, giving physicians the ability to add and remove data, as well as to instantly view internal structures not otherwise visible. "Data viewing is ...

Tracking sperm whales and jumbo squid

...e designed to detach at a predetermined time, then float to the surface and transmit stored data to the satellite. Results During the study, electronic tags were placed on five whales and three jumbo squid swimming nearby. Analysis of the tagging data showed that the whales were traveling up to 60 ...

Ocean's 'twilight zone' may be a key to understanding climate change

...hers use cones or tubes that hang beneath buoys or float up from sea floor. That, Buesseler said, "is like putting out a rain gauge in a hurricane." While many studies have investigated the surface of the ocean, little research has been conducted on the carbon cycle below. The VERTIGO team examined a va...

Paramecia adapt their swimming to changing gravitational force

...ments ought to be. "If you want to make something float more," said Valles, "you put it in a fluid and you...ically do with the magnet. That causes the cell to float more ?and that turns gravity upside down for the cell." Cranking the field intensity even higher, V...

University of Minnesota researchers take new look at cellular suicide

...ols for the "thread" of DNA molecules. Rather than float in the cell nucleus like an overlong piece of spaghetti, the DNA molecule loops around regularly spaced histones, which not only support the DNA but play various roles in managing its functions. "In the past, people thought histones were just for pa...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...g has fed on hundreds of zooplankton (animals that float with the currents), such as shrimp-like species ca...ore than a million phytoplankton (tiny plants that float with currents). Phytoplankton also are the species that give otherwise blue oceans (reflecting the c...

Viral protein helps infected T cells stick to uninfected cells

...ge clusters on the cell surface. (LFA-1 proteins float in the cell membrane like buoys in semisolid gelatin. They can move across the surface of the cell and form clusters when directed to do so by signals from within the cell.) "Our study is the first to show that HTLV-1 p12 not only enhances the acti...

Flesh-eating bacteria escape body's safety net

...yme dissolved the DNA nets and allowed bacteria to float away from the neutrophils. "The experiments explain how this DNA-degrading enzyme contributes to the severe infections produced by certain strains of Strep bacteria, while simultaneously confirming just how important neutrophil DNA nets are to our n...

Vaccine provides 100 percent protection against avian flu virus in animal study

...e. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeochemical cycles of carbon, nitrogen, oxygen and sulfur. "Plants and animals are twigs on the tree of life when compared to the diversity of microbes that surround...

Wyoming cloud seeding experiment begins this month

...e. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeochemical cycles of carbon, nitrogen, oxygen and sulfur. "Plants and animals are twigs on the tree of life when compared to the diversity of microbes that surround...

Sequencing our seas

...e. Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeochemical cycles of carbon, nitrogen, oxygen and sulfur. "Plants and animals are twigs on the tree of life when compared to the diversity of microbes that surround...

Researcher uncovers details of how cancer spreads

...is way, the cancer cell loses its moorings and can float off to spread around the body. While no one has found v-Src in human cancer patients, a number of other cancers have been linked to viruses, including the herpes virus and its association with cervical cancer. "Critics of this work will ask why v-Sr...

Plankton can run, but can't hide from basking sharks

...o detach themselves from the sharks at a set time, float to the surface and then drift with the currents like a "electronic messages in bottles", before being washed up on beaches and found by the public. Sims found that while the sharks in deep waters exhibited normal diving behaviour, tracking the zoopl...

Shutting down the HIV assembly line

...bly lines, burst like bubbles out of the cell, and float off to invade other cellular factories. Vanderbilt University Medical Center investigators have now identified an early step in HIV particle assembly. The findings, published March 11 in Cell, could lead to new drugs that combat HIV infection by shut...

Scientists discover how fish evolved to float at different sea depths

...he blood into the swimbladder allowing the fish to float at different levels in the sea without coming to the surface of the water for air. A similar system is also present in the eye of the fish, which provides oxygen to the retina. Dr Berenbrink explains: "I am interested in how the mechanisms in the sw...

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