Plant gene related to cancer treatment may foster new oncology drugs
...shape, height and bending in response to light and gravity are largely determined by the direction and amount of auxin moving through their tissues. Murphy and his collaborators on the Plant Journal study found that PGP1 and PGP19 move the hormone out of cells. In the November Plant Cell report, Murphy's res...Researchers find a potential key to human immune suppression in space
...dentified a signaling pathway called PKA that in a gravity field responds to the presence of a pathogen by st...n't be a surprise, because life evolved in Earth's gravity field." Hughes-Fulford points out that there are only two known situations in which T-cell function ......minate some of the most promising theories linking gravity and quantum mechanics, according to a theoretical ... in Canada. Many physicists believe that combining gravity and quantum mechanics into a single theory is one of the most important problems in science today. L...Scientific societies support teaching evolution
...ravitational waves. No one doubts the existence of gravity just because we are still learning how it works; evolution is on an equally strong footing. The discussion of life's spirituality is most appropriate for philosophy or religion classes. It is a mistake to conclude that reluctance to incorporate spir...No trouble removing oil from water
...dustry-standard American Petroleum Institute (API) gravity separator that has been widely used for the last 60 years. The API separator, originally designed for oil refineries, is not designed to reduce the oil content of water below about 100 parts per million and is not suitable for releasing water direct...Corn fungus is nature's master blaster
...esult was the record acceleration of 870,000 times gravity for the spores and a launch speed of nearly 80 miles an hour. The analysis of the fungal shooting ability led the biologists to determine that the osmotic pressure from potassium, and not the mannitol, likely generated the force necessary for the pow...Study in Royal Society journal on holly as an indicator of climate change
...can't walk faster. The problem of 'take-off' when gravity cannot provide the centripetal acceleration requir...n the body is moving fastest, and the component of gravity along the leg is lowest. Thus, bipeds cannot walk at high speeds with long steps. Shorter steps perm...Scientists devise way to measure RNA synthesis on the fly in a live cell
...ial objects visible to them did not contain enough gravity to explain the motion of galaxies. "They proposed the hypothesis that the motion of galaxies is affected by the presence of invisible matter called 'dark matter,'" Cluzel said. In recent years, astronomers have rushed to design experiments that might...World Ocean Day: How satellites safeguard our waters
... of the seabed and even variations in the planet's gravity field. Additional, operational applications include marine routing, ensuring safety at sea, laying marine cables and optimising fishing fleet performance. Altimetry also provides authoritative global measurements of sea level change one of the most...From sound analysis to nicotine addiction
...ncluding data from the "CHAMP", "GRACE" and "GOCE" gravity missions. This interdisciplinary programme, coordinated in Bonn, will for the first time bring together researchers from the fields of geodesy, oceanography, hydrology, glaciology, geophysics and other in particular young geoscientists to evaluate ...Now scientists think you'd be 'roasted' in a black hole
...d inside, and challenges the traditional idea that gravity would cause you death by "spaghettification". Most...itions of a black hole, your feet would experience gravity more strongly than your head, and your body would be stretched out like spaghetti. For a small black...'Termite guts can save the planet,' says Nobel laureate
...gious National Academy of Sciences, to realise the gravity of the problem and shift the focus of their research. And, he says, it's beginning to work. The US already subsidises farmers to grow corn to turn into ethanol, but $7bn in the past decade has been wasted because the process isn't carbon-neutral. "Fr...Positive air pressure chamber started with patients quickly after surgery
...ed by the chamber's positive air pressure. Moon's gravity is one-sixth of Earth's gravity. UCSD Orthopaedics Surgery professor Alan Hargens, co-inventor of the chamber during his days at NASA, believes the unique pressure chamber will allow patients who have lower-extremity orthopaedic surgery to begin upri...Earth's services in peril, report concludes
...first and most important step is to understand the gravity of the situation. That is what the new assessment, which was called for in 2000 by the United Nations and supported by a diverse group of nations, agencies and industry, is designed to do. Five years in the making, the mammoth study was the work of t...Physiological effects of reduced gravity on bacteria
...ibes differences in bacterial responses to reduced gravity and how for some species, bacteria from the Intern...sponding type strains of the same species. Reduced gravity was modeled using clinorotation. The findings suggest that conditions on the ISS might have favoure...Plants, animals share molecular growth mechanisms
...in a cell are positioned and how plants respond to gravity and light. Szymanski's team used a deformed version of a common research plant, Arabidopsis thaliana, and specifically looked at small, hairlike structures that exist on most cells. They found that the shape and size of these hairs, or trichomes, rea...Robots walk with close-to-human efficiency
... more slowly than they would naturally swing under gravity power. "In other robots the motors are fighting th...titutions have simply substituted small motors for gravity power. Ruina says the research followed the example of the Wright Brothers, who carefully researched...Bipedal bots to star at AAAS media briefing
...hypothesis that suggests motors can substitute for gravity in passive-dynamic walking devices. A slope is not required, only careful engineering. Reporters interested in attending the press briefing should go to the Taft Room, Marriott Wardman Park Hotel, Washington, D.C. Please arrive no later than 9:45 a...CSIRO finds a way to get more out of old cars
...c separation to recover clean steel, and finally a gravity technique to separate low-density materials like glass from high-density metals like copper, lead and brass....'Moss in space' project shows how some plants grow without gravity
...ich certain cells, called tip cells, are guided by gravity in their growth. This gravity response is only seen when moss is kept in the dark, as light overrides gravity's effect. Moss origi...