World's top theoretical physicists converge to consider 'future of physics'
...urned into an entrance to a lawn with a meandering path connecting outside the old and new wings. Another...is being created in that entryway. The path leads to a distinctive, charming architectural feature of the new building--a Venetian staircase--re...Researchers provide road map for generating B cells from stem cells
... lead a hematopoietic stem cell down the narrowing path to becoming an antibody-producing B cell. The researchers describe four critical stages on the way from a multi-potent precursor to a committed B-cell and suggest how combinations of regulatory proteins and signaling pathways direct maturing cells th...Acoustics meeting in San Diego
...ave. This "time-reversed wave" exactly repeats the path of the initial wave and focuses in time and space at the receiver. Any subtle defect, which may appear in the material, changes the route of the ping-ponging wave and affects the refocusing of the time reversed echo that allows it to find hidden d...Muscling in on a deadly cancer
...e understanding of the disease, and puts us on the path toward new therapies" less toxic to patients and better aimed at the cancer. Keller and Capecchi believe it still will take 10 to 20 years for new treatments to emerge. But, Keller adds, "After 30 years of limited progress, we have our foot in t...UF scientist: 'Brain' in a dish acts as autopilot, living computer
...e plane's controls. Those signals alter the flight path and new information is sent to the neurons, creating a feedback system. "Initially when we hook up this brain to a flight simulator, it doesn't know how to control the aircraft," DeMarse said. "So you hook it up and the aircraft simply drifts random...Is the zebra fish leading us to new therapies?
...ittle about how the new blood vessels choose their path to reach a particular organ or tissue. Discovering these mechanisms would greatly aid development of new strategies for therapeutic angiogenesis. Not only must the growth of new blood vessels be stimulated, but the blood vessels must also be oriented...Ethical paradigm: Relating embryonic stem cell use to organ donation
... fertilization. The commentary offers a potential path for both sides of the embryonic stem cell argument to follow to common ground in the discussion for determining an ethically and medically sound future for stem cell research....JCI table of contents November 1, 2004
... fertilization. The commentary offers a potential path for both sides of the embryonic stem cell argument to follow to common ground in the discussion for determining an ethically and medically sound future for stem cell research. TITLE: Embryonic death and the creation of human embryonic stem cells AUTH...Old riverbed keeps chemicals from entering Ohio River
...ifer more than 10,000 years ago, before the rivers path shifted almost a mile to the east, explained Svitana. He found that the dry riverbed is still linked to the present-day Ohio River by old channels filled with sand and gravel that lie beneath the surface. Water flows between the buried aquifer ...'Blind' cells see the light; maybe someday humans will, too
...al ganglion cells, which are the third cell in the path from photoreceptor to brain, could take over some of the functions of the photoreceptors if they could be genetically engineered to respond to light. Kramer envisions a device, reminiscent of the eyepiece worn by the blind Geordi La Forge in "Star Tr...Promising results in the battle against incurable ALS muscle disease
...s still a controversial method of treatment, whose path to the clinic can be quite long. VEGF prolongs the life of ALS rats So, investigation into a possible treatment using the VEGF protein has never been abandoned. Now, research from Erik Storkebaum and Diether Lambrechts, under Peter Carmeliet's...Researchers reconstruct parts of the genome of a common mammalian ancestor
...nd where they didn't happen along the evolutionary path toward humans." For example, even though there is currently DNA sequence data from only eight species in the FOXP2 region of the genome in the Santa Cruz database, more extensive comparisons of that region undertaken during independent studies by ...New approach studying protein structure could advance drug development
...sed solution and then placing this solution in the path of an X-ray beam. The resulting X-ray scattering pattern reveals information about the detailed structure of the protein-ligand complex, which can then be contrasted with a scattering pattern of the protein alone. The researchers at Argonne tested f...Hummingbirds lose power at high altitudes
... indicating that it has taken its own evolutionary path away from the other hummingbirds. It grows as large as 26 grams nearly an ounce and almost twice as large as the next largest bird at 15 grams. Also, two boldly colored hummingbirds the crimson topaz, Topaza pella, and the white-...Satellites plus software equal best-ever Mediterranean heat map
...te and algal bloom forecasting, and predicting the path of oil spills. And these models can also be used to look deeper than just the ocean surface. "The time is coming for operational monitoring and forecasting of three-dimensional global ocean structure," comments Jean-Louis Fellous, Director for Ocean...Violent ocean motion no magic potion for reefs
...rvey nearly completed, it appears all reefs in the path of hurricanes Frances and Jeanne have been largely scoured free of the menacing seaweed, and many have also been buried in sand. Seaweed overgrowth problems are likely to return, however, and could even be exacerbated by the storms' temporary removal...ORNL, U.S. Air Force launch educational program
...m will help expand our officers' scientific career path and give them first-hand insight and experience into ORNL's multiple technology programs." ORNL Director Jeff Wadsworth said the initiative benefits the lab by bringing highly qualified professional staff and a Department of Defense perspective to la...UBC prof's research challenges prevailing theory of how new species evolve
...in the world to demonstrate a genetic gradient--or path of gradually changing genetic traits--between two distinct species that have been isolated by distance. The research challenges the prevailing theory among evolutionary biologists that species evolve only when separated by a geographical barrier. The...Interaction between stem cells and their niches key to differentiation
...struct genes in stem cells to determine the future path of the stem cells. Both niche and stem cells possess genes which produce proteins that act as a series of "on-off" switches for stem cell division, the researchers said. The research was supported by the National Institutes of Health. Over-prolifera......to change direction and to maintain a steady glide path through the air." Yanoviak and Kaspari also asked whether all canopy ants glide. "I was the guy that stayed on the ground," Kaspari recounts, "while Steve dropped Paraponera [bullet ants that pack a nasty sting] down at me." Canopy ants in two gr...