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Horizontal in Biological News

MIT: How you feel the world impacts how you see it

... of touch, the monitor displayed a pattern of horizontal stripes moving upward or downward for ten ... visual pattern had disappeared, a single row of horizontal pins simultaneously vibrated the subjects' ... the monitor displayed a static pattern of horizontal stripes. Contrary to the prevailing assumption ...

Forced evolution: Can we mutate viruses to death?

... attention on the roles that recombination and horizontal gene transfer play in the evolution of viruses ... transition. If the mutation, recombination or horizontal gene transfer rates are too high, the system ... function and the mutation, recombination and horizontal gene transfer rates are known. Without ...

Study shows single insecticide application can kill 3 cockroach generations

... from one cockroach to the next is called horizontal transfer. "Our findings are exciting because ... other insecticides also may have three-generation horizontal transfer kill capabilities. In the first ... with other cockroach baits and possibly look at horizontal transfer of insecticides in natural settings ...

Changing environment organizes genetic structure

... modular when two conditions are taken as givens: horizontal gene transfer (HGT) and a changing environment. ... of a changing environment and the existence of horizontal gene transfer. Genes are typically transferred ... well. "Our acquired immune system is a product of horizontal gene transfer and is organized in a modular ...

St. Jude identifies the specific cell that causes eye cancer, disproving long-held theory

... from fully matured nerves in the retina called horizontal interneurons. This disproves the scientific ... The discovery that fully differentiated horizontal interneurons can multiply to form retinoblastoma ... when certain genes are inactivated in the retina, horizontal neurons that are already differentiated and fully ...

Dolphins maintain round-the-clock visual vigilance

... trained one of the dolphins, SAY, to recognise two shapes (either three horizontal red bars or one vertical green bar) with her right eye before training her ... enticed the dolphins into a bay at night where they could be shown the horizontal and vertical bar shapes, and found that the dolphins were as sharp at the ...

'Mind's eye' influences visual perception

... University of Sydney had subjects imagine simple patterns of vertical or horizontal stripes, which are strongly represented in the primary visual areas of the brain. They then presented a green horizontal grated pattern to one eye and a red vertical grated pattern to the other ...

No sex, but plenty of gene transfer

... genome. In a paper published this week in Science, evidence for massive horizontal gene transferfrom bacteria, fungi, even from plantsinto the bdelloid ... University, and Harvard graduate student Eugene Gladyshev. While horizontal gene transfer is common in bacterial species, it was unheard of in the ...

Opening a new window on daylight

... appropriate window configuration. This saving would not be reduced significantly even with the use of vertical fins for east-facing windows and horizontal canopies for south-facing windows to reduce heating effects. Daylighting and shading effects can be optimized by following their formula and choosing ...

Ability to literally imagine oneself in another's shoes may be tied to empathy

... ability with empathy, we also included a very simple task of spatial attention called the line bisection task. This test involves looking at a horizontal line and marking the midpoint. Although this task is very simple, it appears to be a powerful way to assess subtle biases in spatial attention." ...

SRI International announces findings from new upper atmospheric radar system for scientific research

... Mesospheric Summer Echoes," by Michael Taylor, Ph.D., professor at Utah State University, describes the first detailed investigation of the common horizontal and vertical structures of radar and optical mesospheric clouds. These are the highest altitude clouds, which form in the mesopause, the coldest part ...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

... to nanosecond timescales). What is seen on the screen of the scope is a waveform whose value is graphed along the vertical axis as a function of the horizontal axis representing time. An electron beam, aimed at a phosphorescent screen, is swept horizontally providing a light-trace on the screen while, ...

From cars to cancer: UH professor employs auto industry tools for tumor therapy

... construction of physical models and prototyping of parts directly from a three-dimensional computer-aided design model," Kamrani said. "Thin, horizontal cross-sections are used to transform materials into physical prototypes layer by layer." Rapid prototyping, also known as solid free-form ...

Young dinosaurs roamed together, died together

... provided key evidence of an ancient tragedy. Two of the skeletons fell one right over the other. Although most of their skeletons lay on a flat horizontal plane, their hind legs were stuck deeply in the mud below. Only their hip bones were missing, which was likely the handiwork of a scavenger working ...

MIT researchers explain mystery of gravity fingers

... holding it in place. So what was missing from earlier models of water moving downward through soil that made it appear to move as a steady, horizontal front, rather than in finger-like pathseven when the soil was homogenous in particle size and shape? The missing mathematical phrase describes ...

Diatom genome helps explain success in trapping excess carbon in oceans

... bent on characterizing the diatom's staying power and ability to cope with environmental change. "We believe this is the first time bacterial horizontal gene transfer has been observed in eukaryotes at such scale," says senior author Igor Grigoriev of DOE JGI. "This study gets us closer to explaining ...

Slicing solar power costs

... and it is connected to a pulsed power supply that charges the wire during the cutting process. A cylinder-shaped germanium ingot rests on a horizontal support, and the wire is lowered into the ingot as new wire is pulled continually from a supply spool to replace the cutting wire as it wears. Thin, ...

Low-gravity training machine reduces joint, muscle impacts, says CU-Boulder study

... said. For the study, the researchers retrofitted the G-Trainer with a force-measuring treadmill invented by Kram's team that charts vertical and horizontal stress load on each foot during locomotion, measuring the variation of biomechanical forces on the legs during running. Ten subjects each ran at ...

Telescope embedded in glasses lens promises to make driving easier for visually impaired

... (the one closest to the user's eye), enables the wearer to simultaneously view the magnified field above the unmagnified view of the uninterrupted horizontal field. Not only will the new glasses improve the cosmetics and usefulness of this type of device, the in-the-lens design will make it possible ...

AGU journal highlights -- July 23, 2008

... roles of such small-scale phenomena in the Earth's climate, Watanabe et al. develop a new GCM that uses very high spatial resolution. This model has horizontal resolution of 0.5625 degrees in latitude and longitude, and covers a region that extends from the surface to a height of about 85 km (53 mi) with ...

NJIT architect professor advocates best-building practices for high wind regions

... of the researched cyclonic home includes simple systems to reduce the local wind stresses at the roof's lower edges such as a notched frieze or a horizontal grid. Install the latter at the level of the gutters along the homes' perimeter. An elevated structure on an open foundation reduces the risk of ...

What it's like to be a bat

... remember details of the environment in which it operates, displaying a very sensitive spatial memory component. The vocalizations tell the bat the horizontal and vertical positions of its prey from differences in the arrival time, intensity, and variety of echoes it receives. It estimates target range from ...

More sensitive radiology monitoring in the Basque Country

... in the earth. Ms Alegra has chronologically ordered recorded dose rate values and shown that their evolution is constant (being represented on a horizontal line), although they do have an irregular component due to changes in meteorological values such as rainfall and lightning. That is, recorded values ...

Moores UCSD Cancer Center study links vitamin D, type 1 diabetes

... could result in under-reporting of type 1 diabetes. The researchers created a graph with a vertical axis for diabetes incidence rates, and a horizontal axis for latitude. The latitudes range from -60 for the southern hemisphere, to zero for the equator, to +70 for the northern hemisphere. They then ...

How to make microwaves on a chip to replace X-rays for medical imaging and security

... the timing of the electrical signals that pass by. When low-frequency, low-power signals are applied simultaneously to both the vertical and horizontal wires of the lattice, the waves they produce interfere as they meet across the lattice, combining many small waves into one large peak. The process ...

Dwarf cloud rat rediscovered after 112 years

... mossy forest (also called cloud forest) high on Mt. Pulag, at about 2,350 meters above sea level. It was in the canopy of a large tree, on a large horizontal branch covered by a thick layer of moss, orchids, and ferns, about 5 meters above ground, Balete said. "We had suspected from its broad, hand-like ...

AGU Journal Highlights -- March 19, 2008

... is a key input into aerosol transport models. Currently, spaceborne lidar studies can constrain the height of smoke plumes with great precision, but horizontal sampling is very poor on large scales. Spaceborne stereo imaging has much greater coverage and captures the cores of major fires, but its ability to ...

March GEOLOGY and GSA TODAY media highlights

... collapse. This process involved the shallow part (upper 5 kilometers) of the orogen, producing rock exhumation in the axial zone of the chain. Large horizontal extension dismembering the mountain belt was accompanied by forward (eastward) motion of thrust sheets. Linked low-angle extensional faults and ...

AGU journal highlights -- Feb. 26, 2008

... is poorly constrained in model scenarios. To characterize the AMOC during the LGM, models must accurately simulate surface winds, which facilitate horizontal and vertical mixing in the ocean. Noting that wind fields during the LGM are not well understood, Montoya and Levermann model how changes in wind ...

Quakes under Pacific floor reveal unexpected circulatory system

... They cluster neatly, outlining the cold waters apparent entrance. It dives straight down through the ridge about 700 meters, then fans out into a horizontal band about 200 meters wide before bottoming out at about 1.5 kilometers, just above the magma. Heated water rises back up through a dozen vents about ...

Biophysical Society announces 2008 International Travel Awards

... in Rat Heart Cells. Xu-Long Wang, Shanghai Jiao Tong University, China, Intracellular Calcium Dynamics Mediated by NMDA Receptors in Retinal horizontal Cells. Merridee A. Wouters, Victor Chang Cardiac Research Institute, Sydney, Australia, 'Forbidden' Disulfides: Their Role as Redox Switches. ...

Air quality forecasts see future in space

... a history describing how much aerosol is transported and where, helping them to evaluate the rule. "Satellites add considerable vertical and horizontal spatial detail, enabling a more scientifically sound way of understanding whether or not programs are making progress in reducing air pollution in ...

Massive Canadian oilfield could be exploited using new UK system

... down a vertical well and is ignited. The heat generated in the reservoir reduces the viscosity of the heavy oil, allowing it to drain into a second, horizontal well from where it rises to the surface. THAI™ is very efficient, recovering about 70 to 80 per cent of the oil, compared to only 10 to 40 ...

Simulation reveals how body repairs balance after damage

... predictor of how muscles would be activated when the subject experienced a balance threat was not the motion of the individual body parts, but the horizontal motion of the bodys center of gravity. To test their theory, the researchers created a computer simulation that could accurately simulate standing ...

Freshwater supplies threatened in central Pacific

... of sustainable supply in urban South Tarawa in Kiribati. Groundwater can become salty due to over-pumping or inappropriate methods of pumping. Long, horizontal infiltration pumping galleries or skimming wells, placed just beneath the groundwater table (the top layer of soil and rock that is saturated with ...

Infants can organise visual information at just four months

... the stimuli were arranged by similarity in either horizontal lines or vertical columns. For example, for grouping by shape, an array of horizontal lines (or vertical columns) made up of squares ... grouping had occurred, images of plain bars of horizontal lines and vertical columns were then shown. If ...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

... to "drifting" in Greek), but only in the horizontal direction, not in the vertical. The recent ... water in the ocean is always accompanied by horizontal flows, forming a convergence, or "downwelling" ... more and more individuals are brought in with the horizontal currents and concentrated in the downwelling ....

How low can you go? Ants learn to limbo

... discovered that ants are able to learn how to visually judge the height of horizontal barriers so that they can successfully crawl under it without slowing ... tuna at one end of a channel. They observed the ants' reaction towards a horizontal barrier placed between the food and the ants' nest using high speed video ...

Out of sight, out of mind? Not necessarily

... at a computer screen, and during their momentary blindness, either a horizontal or a vertical line or a red or a green dot flashed on the screen. Researchers then asked the study participants whether they had seen a horizontal or a vertical line; because their primary visual pathway had been shut ...
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