Comparing bumps in a rug to boxes dragged across the floor and to earthquake fault zones, researchers at The University of Texas at Austin have developed new calculations to demonstrate that the mechanics of friction can be the same, no matter what the size of the materials involved.
From Moby Dick to Shamu, whales have long fascinated humans. Their remarkable status as ocean-dwelling mammals, along with dolphins and porpoises, at once makes them related to us and yet inconceivably different from us. Thus their evolution -- the developmental steps required to leave solid ground for a life in the water -- has long fascinated scientists.
Scientists at Purdue University have linked two tiny structures -- quantum dots -- in such a way that is essential for the creation of quantum computers, which could be faster and provide more memory than conventional technology.
A group of Purdue University undergraduates have built an industrial riding lawn mower that's a cut above the rest. The students have created what is thought to be the first vehicle that uses water in all of its hydraulic systems.
New findings show that the most commonly used types of genetically engineered corn have no adverse effects on Monarch butterfly larvae, according to a University of Maryland scientist and member of the international team that has been studying the issue.
Ten colleges and universities across the country will receive $2M in grants from The Pew Grant Program in Course Redesign at the Center for Academic Transformation at Rensselaer. The grants were announced by the executive director of the Center.
Rensselaer Polytechnic Institute in Troy, N.Y., was selected by the National Science Foundation to receive $10M to develop one of six Nanoscale Science and Engineering Centers.
Partial skeletons of ancient whales found in Pakistan last year resolve a longstanding controversy over the origin of whales, confirming that the giant sea creatures evolved from early ancestors of sheep, deer and hippopotami and suggesting that hippos may be the closest living relatives of whales.
In light of the recent U.S. tragedy, the international conference on exercise and arthritis set for Sept. 21-22, 2001, in St. Louis is postponed. A new date for the conference will be set soon.
When a hurricane or severe storm hits North Carolina, South Carolina or Virginia weather forecasters now anticipate delivering more accurate flood and flash flood warnings. Scientists are testing new advanced weather technology in a pilot program from the National Oceanic & Atmospheric Administration's National Severe Storms Laboratory, NOAA's National Sea Grant College Program and North Carolina and South Carolina Sea Grant state programs.
Research at the nanoscale is needed to advance the development of the ultra-small technology that will transform electronics, materials, medicine and many other fields. The National Science Foundation announced awards estimated to total $65M over five years to fund six major centers in nanoscale science and engineering.
NASA Deep Space 1 (DS1) is no ordinary spacecraft. It's bristling with exotic technology and is a veteran of more than one nail-biting space adventure. But DS1's previous exploits may be no match for what it is about to do this weekend: plunge into the unknown maelstrom of a comet.
An assistant professor of mechanical and aerospace engineering at Cornell University, has been awarded a $239,992 research grant by The Whitaker Foundation to study the human thumb, research aimed at understanding the biomechanics, neuromuscular control and clinical rehabilitation of hand function.
Through a newly funded Department of Energy project, astrophysicists at Oak Ridge National Laboratory and around the United States hope to gain a better understanding of what happens when stars die in spectacular explosions called core collapse supernovae.
Our planet's Antarctic ozone hole is opening once again as Spring approaches in the southern hemisphere -- and scientists say it's a big one.
Why do the rich get richer and the poor stay poor? When it comes to nations, the answers may include frost, according to a study that for the first time links economic and new global climate data.
Eighty percent of respondents to an online global women's shoe survey say their feet hurt, according to the American Academy of Orthopaedic Surgeons, and, as a result of a reported shoe-related foot problem, 85 percent changed shoewear or wear the shoes less often.
Researchers are working on a natural way to kill slugs that is just as effective as poison, but safer to use around plants and animals. The method involves tiny parasitic worms, native to Europe and parts of South America, that feed on snails and slugs.
Despite the impulse to rebuild, the size of skyscrapers such as the World Trade Center Towers makes them attractive targets to terrorists, says a Swarthmore College professor. According to a physics professor, of the three sources of energy delivered to New York City Tuesday morning -- exploded jet fuel, kinetic energy due to the motion of two aircraft, and gravitational potential energy due to the falling building material -- the last is the most devestating.
UC San Diego faculty members are available to provide commentary to members of the news media on a broad range of issues related to the recent terrorist events in New York, Washington, and Pennsylvania. The following experts have expertise ranging from international politics and economics to structural engineering and chemistry.
It's just a matter of time, say researchers, before astronomers find something as big as Pluto in the chilly outer reaches of the solar system.
The peak season for Atlantic hurricanes is just around the corner. North Carolina State University experts can provide timely expertise for reporters' hurricane-related coverage.
Most people don't think about the tons of concrete in the buildings and structures around them until disasters strike, such as the terrorist attacks on the World Trade Center and Pentagon.
The luminous green lasers in Herman Batelaan's laboratory are more than just pretty. They are the critical element in Batelaan's team becoming the first to observe the Kapitza-Dirac effect, the diffraction of a beam of particles by a standing wave of light.
It's a gift of potential, which could turn out to be one of the largest gifts in Purdue's history. DuPont has donated more than 30 U.S. and foreign patents for two agricultural pesticides to the Purdue Research Foundation.
According to experts,turtles in Asia are facing possible extinction due to their unrestrained use as food, medicines and pet exports. A group of scientists from the Savannah River Ecology Laboratory has become one of 15 partners with the Turtle Survival Alliance, an international conservation group formed to address this problem.
UC San Diego's Jacobs School of Engineering is launching a new center to foster commercialization of UCSD research, and to educate students about the process of moving innovations from the laboratory into the marketplace. The William J. von Liebig Center for Entrepreneurism and Technology Advancement is funded through a $10 million gift from the William J. von Liebig Foundation of Naples, Fla.
The role of the Na+/Ca2+ exchanger as a contributor to human disease and its potential as a therapeutic target are only now beginning to emerge. Discussions among a gathering of international and inter-disciplinary experts will reveal how recent investigations, blending molecular biology, biochemistry, biophysics and physiology, have provided exciting answers, fueled novel themes, and provoked further questions in this intriguing field.
By successfully inserting a gene from a jellyfish into the fertilized eggs of rhesus monkeys, scientists have managed to make transgenic placentas, where the inserted gene functions as it does in the jellyfish.
Researchers have hypothesized that exercise-induced changes in circulating testosterone would be centrally mediated via hypothalamic-pituitary release of luteinizing hormone (LH).
Astronomers using NASA's Chandra X-ray Observatory have discovered a burst of X-rays and cyclical pulsing from a white dwarf star that has just undergone a thermonuclear explosion.
In recent years Earth-orbiting satellites have seen plants growing more vigorously than usual over northern parts of our planet.
Watching liquids boil in low gravity is an out-of-this-world experience (in this story you can see for yourself).
Purdue University today (Friday, 9/7) announced it will build a $100 million Discovery Park that will include a nanotechnology center, a bioscience / engineering center, an e-enterprises center and a center for entrepreneurship.
Researchers from Boston University and NASA have recently discovered that parts of the northern hemisphere have become much greener and the growing season has increased over the past 21 years.
Familiarity breeds contempt. Nonfamiliarity produces seed. Just as humans have a natural aversion toward marrying kin, some food crop plants have genes that allow them to avoid being fertilized by "self-related" pollen, Cornell biologists say.
Supercomputers provide researchers with powerful tools, but operating them can also be a super hassle, says an Oak Ridge National Laboratory researcher who heads a team working to fix the problem.
A team of ocean engineers has developed an environmental monitoring and forecasting system that provides information about conditions on highways and waterways.
Bullet proof vests made from goats' milk, plants that can clean up toxins from soil and foods that can target specific vitamin and nutritional deficiencies could be a few of the next wave of products in the agricultural biotechnology pipeline, according to a new report, Harvest on the Horizon: Future Uses of Agricultural Biotechnology, released today from the Pew Initiative on Food and Biotechnology.
This is among the nation's first federally-funded studies in the emerging field of individualized medicine or "pharmacogenomics," with therapy tailored to a person's own genetic profile.
NASA's Chandra X-ray Observatory has spotted a curious outburst from our galaxy's core -- a sign that the Milky Way's central black hole may be snacking on its neighbors.
In work that promises to advance understanding about the origin and dynamics of Earth's iron-rich inner core and the generation of the planet's magnetic field, a team that includes University of Michigan researchers has found that the elastic properties of iron are quite different at extremely high temperatures than at low temperatures.
Sun-worshippers beware: Most sunscreen products offer inadequate protection against the harmful effects of the sun's ultraviolet radiation.
1) Photosynthesis in a beaker: energy harnessed from the sun 2) Researchers study currents off oOregon coast 3) New web site unifies advanced computing resources
Wherever round gobies turn up in large numbers in the Great Lakes and nearby waterways, mottled sculpin-a fish that is the major part of the yellow perch's diet--disappear. One critical factor is that round gobies can interfere with mottled sculpin spawning, according to a study funded by Illinois-Indiana Sea Grant.
With assistance from the Bronx Zoo-based Wildlife Conservation Society, the Chinese government will create a new protected area along its border with Russia in order to safeguard the nation's remaining population of endangered Siberian (Amur) tigers and Far Eastern leopards.
Shortly before the 2001 Antarctic research season gets underway, involving hundreds of U.S. researchers, a panel of NSF-funded meteorologists will join Susan Solomon and Charles Stearns to discuss the findings in the book, "The Coldest March," which will be released in the U.S. this month.
University of Utah biologists devised a new technique to rapidly determine the job performed by particular genes in laboratory animals, according to a report. The method can do in days what once took a year.
University of Arkansas researchers have found a novel physical effect of systems used in ultrasound and sonar that is ten times stronger than current methods used in these techniques. This large ratio of physical change to electric effect may be used one day to create more sensitive and more portable sonar devices and medical ultrasound equipment.
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