Bacterial walls come tumbling down
... molecule by tucking into a fold in the enzyme and taking up the space needed to bind to lipid II, the researchers believe. "We would like to see the enzyme in a complex with its natural substrates as well as with inhibitors," Lovering said. In the meantime, scientists now have the details of its shape and ...MIT particles pave way for new bedside diagnostics
...est for different targets. The MIT researchers are taking this approach away from planar surfaces onto free-floating particles. With the tiny particles, it is much easier to custom-design each biological test, said Doyle. "It's very easy to tailor what you give a customer. You could have 100 types of part...UGA research shows rats are capable of reflecting on mental processes
... reward at all. The twist, however, is that before taking the duration test, the rats were given the chance to decline the test completely. If they made that choice, they got a small reward anyway. "If rats have knowledge about whether they know or dont know the answer to the test, we would expect them to...UN, industry, others partner to create world standards for e-scrap recycling, harvesting components
...e reserves are limited, indium recycling is so far taking place in only a few plants in Belgium, Japan and t...done through so-called "backyard practices," often taking place under the most primitive circumstances, exposing workers to extensive health dangers. A glob...Largest physics meeting of the year, in Denver
...lusion much, namely that anthropogenic warming was taking place. David Randall (Colorado State) will talk about counting clouds and, more generally, how to address the problem of accommodating such different size scales in climate modeling. ENTREPRENEURIAL PHYSICS Spinning a promising new technology int...Tundra disappearing at rapid rate
...e trees and shrubs in parts of northern Canada are taking over what were once tundra landscapes--forcing out the species that lived there. This shift can happen at a much faster speed than scientists originally thought, according to a new University of Alberta study that adds to the growing body of evidence...MIT engineer works toward clean water, more
...relationship among partners in the global village, taking into consideration the specific conditions of the local culture, environment and location," said Susan Murcott, a senior lecturer in MIT's Department of Civil and Environmental Engineering (CEE). Murcott has personal experience of a global enginee...Studies force new view on biology of flavonoids
...re would be no benefit and possibly some risk to taking dietary supplements that might inject large amounts of substances the body essentially sees as undesirable foreign compounds. Numerous studies in the United States and Europe have documented a relationship between adequate dietary intake of flavono...Climate changes brews trouble for marine life in European Seas, Marine Board-ESF report says
...al Netherlands Institute for Sea Research. After taking in all of the recorded impacts on the European Seas for consideration, the ESF-Marine working group has identified other possible future challenges in terms of climate change monitoring, modelling, indicators and research and development. It has made...Music genes and musical geniuses
...ond edition of the Festival of Music and Genetics, taking place from May 12 to 22, 2007 ( www.musicagenetica.it ). The topics of the meeting are various: from the research of genes responsible for our becoming great pianists (or, on the contrary, being completely tone-deaf), to the evolution of music in t...Vitamin D deficiency widespread during pregnancy
...the end of pregnancy, 90 percent of all women were taking prenatal vitamins and yet deficiency was still common." Vitamin D is found naturally in fatty fish but few other foods. Primary dietary sources include fortified foods such as milk and some ready-to-eat cereals and vitamin supplements. Sun exposure...Mellow in Europe, crazy in America
...hren across the Atlantic. "It's not that you're taking the ones in France and moving them to the US and they're suddenly invasive," Molofsky said, looking over a green swath of reed canarygrass growing in a UVM greenhouse, "its that you move some plants, and then you move some from somewhere else and the...African carnage -- 1 year's seized ivory likely came from 23,000 elephants
... to the ecosystem. They are a keystone species and taking them out significantly alters the habitat," he said. "It has ripple effects on lots of different species." For the year ending in August 2006, authorities seized more than 23,400 kilograms, or nearly 24 tons, of contraband ivory, Wasser said. But ...Genes and genius: Researchers confirm association between gene and intelligence
...bits on the floor and the child crying. The person taking the test would have to put those pictures into an order that tells the story of how the child dropped the vase and broke it and then cried." The researchers studied DNA gathered as part of the Collaborative Study on the Genetics of Alcoholism (COGA...The cost of keeping eggs fresh for mother cockroaches
...ffspring now, or using those nutrients herself and taking the chance she can reproduce later." The group is currently investigating this trade-off arising from a conflict over food or sex. Although this is a new twist in the conflict over food or sex, the result is a familiar one in evolutionary biology; it...UI researcher cites need for a 'small view' of the environment
...already been well understood and alleviated. "By taking a molecular perspective, scientists saw not only the role of chlorofluorocarbons (CFCs) in the problem, but also the role that ice particles play in the stratosphere by catalyzing reactions leading to ozone destruction," Grassian said. "This understa...Scientific literacy happens -- when students think for themselves
...teaching the experiment. Roughly 300 students, all taking an introductory biology course for science majors,...um he helped establish. The majority of students taking these courses aren't science majors and, in theory, may have very little interest in sitting in a bi...Neuroscientist Robert Sapolsky will discuss stress, health, Feb. 17 at AAAS meeting
...polsky said. "For example, having your worst rival taking a nap 100 yards away gets you agitated." But when it comes to stress-related diseases, social isolation may play an even more significant role than social rank or personality. "Up until 15 years ago, the most striking thing we found was that, if yo...Birth rate, competition are major players in hominid extinctions
...t 18,000 years ago, the grassy plains disappeared, taking with them the animals that relied on large expanses of grass for grazing. These animals were the prime food source for Neandertal. At the same time, modern Homo sapiens experienced the same reduction in large animal game, but switched to also fishi...Institute for OneWorld Health hosts global health seminar at AAAS Annual Meeting
...urs are leading the way." The three-part seminar taking place at the Renaissance Parc 55 Hotel, Level 4 - DaVinci Room from 8:30 am until 4:30 pm, includes presentations by some of the best and brightest minds in global health, unique contributors from the Bay Area, perspectives from the field and social ...