Harvard scientists discover how the venus flytrap snaps
... light using high-speed video. By using mirrors to record stereo images of the process, they were able to reconstruct the geometry of the leaf. Finally, a simple mathematical model provided them with a way to understand the quantitative and qualitative aspects of snapping such as when the plant snaps, how l...Molecular biology fills gaps in knowledge of bat evolution
...ory is largely unknown because of a limited fossil record and conflicting or incomplete theories about their...id. "It also quantifies the fraction of the fossil record that is missing for bats." The team, using DNA sequencing, analyzed data from portions of 17 nuclear...NASA research to aid federal invasive species council efforts
...ch and systems engineering expertise. NASA's track record of achievement in invasive species monitoring led to the invitation to join the Council. An example of NASA's impact is work completed by the U.S. Geological Survey (USGS) on invasive species in Utah's Grand Staircase-Escalante National Monument. The...'Man the Hunter' theory is debunked in new book
...volution," poses a new theory, based on the fossil record and living primate species, that primates have been prey for millions of years, a fact that greatly influenced the evolution of early man. He co-authored the book with Donna L. Hart, Ph.D., a member of the faculty of Pierre Laclede Honors College an...Family trees of ancient bacteria reveal evolutionary moves
... some say four global glaciations, and the fossil record reflects a major shift in the number of organisms ..."We will need lots of analyses of the micro-fossil record by serious paleobiologists to see how sound this hypothesis is," Blank said. "This time frame is on...Tree-ring data reveals multiyear droughts unlike any in recent memory
...tree-ring data back to 1750, much of the time when record keeping was anecdotal, inconsistent or nonexistent. Such tree-ring reconstructions have been done previously by other research groups for rivers such as the Sacramento and Colorado. "The big lesson is that prolonged low flow years are a normal part o...New DNA studies verify existence of three right whale species
...eanic and Atmospheric Administration increased the record of known individuals from 13 to at least 25 individual animals. The survey team also spotted mother and calf pairs, an indication that this population may be increasing its numbers. Rosenbaum added, "In addition to recent sightings and acoustical st......of humanity in most cases appear much later in the record only 50,000 years ago which would mean 150,000 y...easons. "First, it makes the dates in the fossil record almost exactly concordant with the dates suggested by genetic studies for the origin of our species,...Educators in Pennsylvania and North Carolina earn top 2004 Mentoring Awards from AAAS
...lina A&T State, said that Sankar "has a phenomenal record of assisting his students in their efforts to present and publish their work." Sankar's current and former students, like Cynthia Waters, Ph.D., describe him as "a highly energetic person" who inspires everyone around him. William Nelson Martin Jr., ...Biological clock may shut down long-term memory at night
... given that we don't have a camera in our brain to record events? What changes take place in our brains that allow us to remember? These grants are about fundamental learning and memory and about modulation of memory." For the grant on circadian modulation of long-term memory formation, Eskin will conti...Technological revolutions in sensors, robotics, and telecommunications allow new views of ocean
...important for understanding biodiversity, making a record of life on earth." Last summer in waters off Alaska, Watling's group discovered a predatory sponge standing 1.5 feet tall and acting like a fly-trap flower to catch crustaceans. The only similar species known to the world was found in a cave in the ...New dinosaur raptor found; First in Southern Hemisphere
...n, scientists from around the world have worked to record all the data that could be used to identify the dinosaur, such as the size and shape of its bones and where the muscles and ligaments connected to them. All in all, they measured 224 separate characteristics. That may sound like a lot of information,...First ever estimate of cod fishery in 1850s reveals 96% decline on Scotian Shelf
... "quite conservative" as the old fishing logs only record adult cod. "Prevalent hook sizes in this deepwater fishery made landing smaller juvenile cod very unlikely." "Despite stringent regulations for the last 610 years and a slight rebuilding of fish stocks, the best estimate of adult cod biomass on the ...Asian interest provides opportunities for US hard white wheat
...st year in many of the wheat growing regions under record rainfall.With its drier climate, the High Plains has an advantage over other partsof the country to produce high quality hard white wheat, Rudd said. Mosier said the Texas Wheat Producers Board helped fund this trip inhopes Rudd could use the info...Discovery clarifies role of peptide in biological clock
... cells, a "clock in a dish." This enabled them to record data from many cells for many days. "We found that the VIP mutants, indeed, can generate circadian rhythms, but the neurons can't synchronize to each other," Herzog said. "We showed that we could restore rhythms to the arrhythmic neurons and...Survivors to revisit the polio scare
...ards. Staff of all descriptions toiled overtime in record heat. A vaccine was desperately needed, but befor... in its history that summer one of the hottest on record -- despite the crucial virus research done there. The April 9th event will recount the history of p...UF researcher: Ideas about fossil horses undergo evolution in thinking
... legendary cowboys, MacFadden said. But the fossil record shows horses actually originated in North America at least 55 million years ago and roamed the continent before becoming extinct at the end of the last Ice Age, about 10,000 years ago, he said. Scientists once universally thought the more primitive ...Winners of Tyler Environmental prize announced
... "greenhouse effect" theory of climate change. His record of the gradual buildup in atmospheric carbon dioxide since 1958, measured high on the mountain Mauna Loa in Hawaii, has come to be known as the Keeling curve. Keeling developed the first instrument and the techniques to measure atmospheric carbon di......y successfully used 2-D electronic spectroscopy to record the first direct measurement of electronic couplings in the Fenna-Matthews-Olson (FMO) photosynthetic light-harvesting protein, a molecular complex in green sulphur bacteria that absorbs photons and directs the excitation energy to a reaction center ...Community MRSA is re-emergence of 1950s pandemic, study suggests
...e has a toxin and other traits with a proven track record for causing serious diseases in healthier and younger age groups than those currently regarded as at risk. The increased resistance to antibiotics of the community acquired MRSA clone over its 80/81 ancestor mean that there could also be other factor...