The PSA bounce Does it have clinical significance?
...ng radiation treatment for prostate cancer. The bounce phenomenon occurs in a third to half of men treate... cancer has recurred, physicians often interpret a bounce as the possibility that the cancer may still exist after treatment," explained Eric M. Horwitz, M.D....Retinal stem cells can regenerate after transplant
...al pigment epithelial (RPE) cells, the cells which bounce light and images back onto the retina. "We transplanted the cells early in the animals' development when all the nutrients and signals they needed for differentiation were still there," says lead author Brenda Coles, a U of T laboratory technician ......ow quickly it can transmit force to the ground and bounce back up again and also increases the chances of injury. The team has also found that fast horses can bring their legs forward quickly in preparation for the next stride but that this is more difficult and therefore slower for large and long-legged ho...Falling ants glide back to trunk to avoid dangers of forest floor
... tumble down the trunk a few feet and occasionally bounce off. They can actually make 180 degree turns in mi... tree at a steep angle. This means they frequently bounce off the trunk, though, as Yanoviak initially noted, they just make a 180 degree turn and try again ...New science sheds light on rebuilding fisheries
...populations to exceedingly low levels and they can bounce back rapidly," says Hutchings. "Not to say that it can't happen. But little or no recovery appears to be the general pattern. Unfortunately, it appears to be the exception that drives policy." Genetic and ecological studies led by Ralph Larson of S...NJIT math professor helps navy detect subs; Explains global warming
...water temperature, the number of times sound waves bounce between the surface of the ocean and the earth below, the slope of the ocean floor and its subsurface geologic profile. It's also necessary to factor in the identifying characteristics of a sound source -- sea life or submarine -- and the noises of c...Talking robots, green buildings, and shockwave healing
...asound pulses and then detect their echoes as they bounce from objects in their environment. Aiming to gain new information on the highly developed but incompletely understood bat biosonar, Hiroshi Riquimaroux of Doshisha University in Japan ( hrikimar@mail.doshisha.ac.jp ) will present a microphone system...World Ocean Day: How satellites safeguard our waters
... measuring the precise time a radar pulse takes to bounce back to its satellite. The French firm CLS (Collecte, Localisation Satellites), with support from French space agency CNES, processes altimetry data from the satellites ERS-2, Envisat, GFO, TOPEX/Poseidon and Jason-1 in the frame of a project called...Woods Hole Research Center plans controlled burn in Amazon rainforest
...n others, and others that appear to have died soon bounce back by resprouting from their roots. In these repeated fires, scientists will learn just how resilient some of these species are. It is quite clear, however, that the composition of the forest will be altered following a fire, and researchers will m...Environmental lessons from tsunami as world's coastal population doubles
...stal populations and ecosystems are more likely to bounce back from extreme coastal disasters by protecting local environments and building on local knowledge, according to a report published in Science. And the aftermath of the Asian tsunami has given valuable insight into handling extreme coastal disaster...NASA technology monitors wildlife habitats from the air
...gy to the Earth's surface. Photons from the lasers bounce off leaves, branches, and the ground and reflect back to the instrument. By analyzing returned LiDAR signals, scientists receive measurements on a forest's canopy, the layer formed by the leaves and branches of the forest's tallest trees. They also ...Geologists use biotools to understand geosystems
...nd by minerals. If they are low, the bacteria will bounce off. "That is a frequent theme with toxins," said Hochella. "How mobile are they? Will they stick on surfaces or transport through water or air? Mobility is not good. "Geologists are now becoming microbiologists in order to discover how biosystems af...Research shows that environment is a major factor in addiction recovery
...ment. "These data could argue that the brain does bounce back. It's not a permanent change," Nader said. "They're not damned because they've been taking cocaine. Things can return. I think that's a promising message that, and the fact that the environment can, in fact, protect the individual."Current rese...New microscope allows scientists to track a functioning protein with atomic-level precision
...ouncing off a wall, and every time you happened to bounce a bit farther away, somebody came in and moved the wall up behind you, so you couldn't bounce so far back. You'd wind up drifting forwards, even though your own motion was mostly random," Block...Protein 'nanosprings' most resilient found in nature
...strength." "The fully extended molecules not only bounce back to their original shape in real time, but they also generate force in the process of this rapid refolding something that had never been seen before," added HHMI investigator Vann Bennett, professor of cell biology at Duke University Medical Cen...Phytoplankton bounce back from abrupt climate change
...lankton with selectivity and most of the organisms bounce right back after the change."...Scientists look to the Bahamas as a model for coral reef conservation
...nd thereby contributing to the ability of reefs to bounce back from disturbances." said project co-principal investigator Micheli. These results highlight the inherent complexity of life on reefs, she added. "There is this idea of redundancy in ecological systems: You lose one species, but another replaces ...A rare alliance forged to protect Wisconsin waters
... probability that its native aquatic species would bounce back and thrive; And the likelihood that a water body can be saved from eutrophication, the harmful enrichment of water with chemical nutrients. "We hope that this approach will provide state and local decision makers with the ability to efficient...Ancient DNA helps UF researchers unearth potential hemophilia therapy
...cher said. Transposons have the natural ability to bounce to different positions in DNA, allowing them to chauffeur genes into the cell. The transposon UF researchers used is one of a few that work in mammals, but until University of Minnesota scientists discovered it in 1997, it had remained hidden in the ...New research shows bats have complex skills to deal with 'clutter'
...t hit objects like leaves, trees, and insects, and bounce back to the bat to tell it what's in the vicinity. When an echo returns from "clutter" at the same time a sound bounces back from an insect, the bat has a real challenge figuring out where the bug is. In an article published in the open access jour...