Tag: "underneath" at biology news

How running made us human

...horizon, the chance of there being a fresh carcass underneath the vultures is about 100 percent. If you are going to hunt down something in the heat, that's a lot more work and the payoffs are less reliable" because the animal you are hunting often is "faster than you are." Anatomical Features that Help Hum...

Argo robotic instrument network now covers most of the globe

...up and it goes across an area, if there is a float underneath it you can actually see how much energy the hurricane has sucked out of the upper ocean." The full Argo array of 3,000 floats is expected to be deployed by 2007. Argo floats are autonomous ocean-traveling robots programmed to sink more than a m...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

... size. Their fluorescence imager, which is located underneath the rover, detects signals from chlorophyll-based life, such as cyanobacteria in lichens, and fluorescent signals from a set of dyes designed to light up only when they bind to one of the following nucleic acid, protein, lipid or carbohydrate all m...

Ophthalmologists and physicists team up to design 'bionic eye'

...e researchers plan to directly stimulate the layer underneath the dead photoreceptors using a system that looks like a cousin of the high-tech visor blind engineer Lt. Geordi La Forge wore in Star Trek: The Next Generation. It consists of a tiny video camera mounted on transparent "virtual reality" style goggle...

A little stress gives beneficial oomph! to immune system

... the tubes, the researchers implanted tiny sponges underneath the skin on the backs of all of the animals, including the mice in the non-stressed group. These disc-shaped sponges were about the size of a grain of rice. Sponges were removed from some of the mice six hours after implantation and from the rest of ...

Hawaiian soils reveal clues to cultural history

...archers sampled the open field as well as the soil underneath stone walls remaining from that period. "The nutrient status in the field was much less than that under the walls," said Chadwick. "They were depleting the soil; it's the usual result of farming." The researchers believe that the losses continued o...

Geneticists identify 'master switch' that causes female flies to behave like males

...me to learn that human sexual behaviors also have, underneath them, a basic circuitry in the nervous system that mediates attraction and mating,'' Baker notes, adding that recent research suggests specific genes build the circuits for instinctive behaviors, ranging from sex to aggression, in mammals. But human ...

500 million years of errors: Brachiopod shells record shadow of arms race in ancient oceans

...pes of clams, invaded soft substrates by burrowing underneath the ocean floor," Kowalewski said. "However, they may have not only been seeking refuge from predators, but also pursuing their own dietary needs by exploring the deeper layers of substrate that became enriched with nutrients as phytoplankton product...

Tahoe Coring Workshop

... shown, for example, that the area surrounding and underneath the lake is riddled with active faults. Rich Schweickert, professor of geological sciences at the University of Nevada, Reno, and author of numerous papers about faulting at Lake Tahoe, said coring could answer fundamental questions about the history...

RPE meets EPR

...he retinal pigment epithelial (RPE) cells that lie underneath the macula, the small region of the retina responsible for fine detail at the center of the field of vision. Without RPE cells, the photoreceptors, which are the light detectors, also die. Patients lose the ability to see detail and soon they can't r...

Changes in technique can reduce radiation dose in CT examination

...X-ray tube is put in the 180-degree position it is underneath the patient so the radiation beam strikes the table the patient is lying on first, "allowing the table to absorb the lowest-energy X-rays," she said. This reduces the exposure to the breast, in particular and does not have any effect on the quality ...

Carnegie Mellon rover heads to Atacama Desert for final mission in 3-year search for life

...g an imager able to detect fluorescence in an area underneath the rover. The FI detects signals from two fluorescent dyes that mark carbohydrates and proteins as well as the natural fluorescence of chlorophyll. The FI, developed by Alan Waggoner, director of the university's Molecular Biosensor and Imaging Cen...

Researchers discover why melanoma is so malignant

...mal human cells and then injecting the tumor cells underneath the skin of mice. Mice injected with breast cancer cells or with fibroblast (connective tissue) cancer cells developed tumors, but the tumors didn't spread. Those injected with melanoma cells immediately developed invasive tumors throughout their bod...

Inside rocks, implications for finding life on Mars

...spectroscopy gives you the chemistry. "We can look underneath the fossil, see it from the top, from the sides, and rotate it around; we couldn't do that with any other technique, but now we can, because of confocal laser scanning microscopy. In addition, even though the fossils are exceedingly tiny, the images ...

Radar altimetry revolutionises the study of the ocean

...nternal waves, which extend 500 or 1000 kilometres underneath the ocean, moving by following the measurements on the surface. These waves are thought to be very important because they may be responsible for setting the main circulation patterns in the ocean. Cipollini said: "It has been suggested that planetar...

MIT research links cancer, inflammatory disease

...ell biology. "How can you abstract what's going on underneath the surface? We're never going to have complete knowledge, but the question was, could we construct a model that admits that we don't know everything, but we know enough to do something useful?" Lauffenburger is head of MIT's Biological Engineering D...

NASA helps researchers diagnose recent coral bleaching at Great Barrier reef

... the increased sea surface temperature affect life underneath the water, but it also impacts other marine creatures like sea birds. "After the high sea surface temperatures in 2002 caused the unprecedented bleaching incident, we saw a devastating reproductive failure in sea birds. The adult birds ultimately aba...

Expanding waistlines triggered by your genes

...ing fat cells, allowing their spread and expansion underneath the skin. The study illustrates a relationship between the gene and obesity and metabolism. The MT1-MMP gene is specifically important in regulation of fat cell size and metabolic gene expression. When the gene function was deleted, mice became skinn...

Whale bubble nets, saxophone sounds, ultrasonic laser

...ments of the acoustic properties of the first ~50m underneath the sea floor is both technically challenging and important for various naval and civilian purposes, e.g. better low frequency underwater communication. The researchers made measurements at both Buzzards Bay and Nantucket Sound, which are close to th...

Role for macrophages in age-related macular degeneration

...he process by which abnormal blood vessels develop underneath the retina. CNV develops in 10% of patients with AMD but accounts for up to 90% of the blindness from AMD. This study suggests that regulators of macrophages may be a possible therapeutic target in AMD. Citation: Apte RS, Richter J, Herndon J, Fe...

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Breaking Biology News(10 mins):Identity Management, Document Authentication and Biometric Companies Form "The Airport Entry and Exit Working Group", Releasing the Framework to Help Guide the Department of Homeland Security and Congress Towards Solutions 2Identity Management, Document Authentication and Biometric Companies Form "The Airport Entry and Exit Working Group", Releasing the Framework to Help Guide the Department of Homeland Security and Congress Towards Solutions 3Montparnasse Pasteleria Achieves Time and Attendance Transparency with Crossmatch U.are.U Fingerprint Readers 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 3Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 4Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 5Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 6
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