UF study: Barren Siberia, of all places, may be original home to animal life
...inal locations of his specimens on a globe. Carbon dating of radioactive minerals in the rocks also revealed when they were formed. By combining the formation dates with the location data, Meert deduced the whereabouts of the continents over the ages. Lieberman's research, by contrast, focused on using foss...New method for determining age of artifacts fills chronological gap for scientists
...000 to 100,000 years old a period for which other dating methods are less effective. In a recent study in ...Department, and colleagues introduce a new mineral dating technique called quartz hydration dating. The technique dates artifacts containing quartz, a common ...Biologist's find alters the bacteria family tree
... evolution of several bacteria, Blank believes the dating of the emergence of cyanobacteria - bacteria that ... is most crucial. Blank explains that the precise dating of the emergence of cyanobacteria is so important because, "once you have oxygen, you have a whole n...Conservation International & SC Johnson invest in Ecuador's rainforest to offset climate impacts
...and distribution of every SC Johnson Public Report dating back to 1991 as well as office paper for the past two years. Conservation International will use this investment to continue its work with the Jatun Sacha Foundation, an Ecuadorian conservation organization, to combat global warming, protect the reg...Yellowstone's long-distance travelers in trouble, study says
...es to 100-yard-wide strips along highways. Carbon dating by archeologists shows that some of these routes have been used for 5,800-7,800 years, according the authors. "From wildebeest in Africa to antelope in Wyoming, long distance migrations are one of the world's most stunning yet imperiled biological p...UW-Madison scientists find a key to cell division
...s one of the most fundamental of cellular events," dating to a time when life evolved from single-celled organisms, explains Ahna Skop, an assistant professor of genetics with the UW-Madison College of Agricultural and Life Sciences. "It applies to all species and organisms, and it is fundamental to the gro...3-D micro-imaging technology licensed to Carl Zeiss Jena
...s multiphoton microscopy, and protected by patents dating back to July 23, 1991) has been transferred from the British firm Bio-Rad Laboratories to Germany's Carl Zeiss. Both Bio-Rad and Carl Zeiss have been manufacturing confocal laser microscopes incorporating multiphoton technology. Additionally, Carl Z...Story tips from the Department of Energy's Oak Ridge National Laboratory, July 2004
... the relative age of the fossil. Radiation damage dating enables researchers to solve some the greatest mysteries about the history of humankind. [Contact: Bill Cabage 865-574-4399; cabagewh@ornl.gov ] CHEMISTRY -- Photons on missions . . . Semiconducting polymers that emit light of different colors fo...Springtime blooms seen earlier now than in the past, say Boston University biologists
...rboretum, the researchers combed herbarium records dating back to 1885 to determine when plants had flowered in the past. They focused on records for 229 plants, all of which are still alive and blooming in the Arboretum. By comparing current flowering dates of the woody plants selected with ...Physics gravity model applicable to disease spread
... childhood disease measles because British records dating from 1940 to today are relatively complete. The records show, week-by-week and community-by-community, the spread of measles outbreaks. The U.K. has about 1,000 cities and 450 rural areas that report and outbreaks occur about every two years. Meas...APS showcases 46 historic breakthrough research articles
...alent of more than 200 linear feet of shelf space dating back to 1898 has "truly been a labor of love." To celebrate the completion of the Legacy Project, APS identified 46 articles published in the APS journals that have proven vital to the discipline of physiology and the evolution of modern-day medicin...Men from early middle ages were nearly as tall as modern people
...excavated from burial sites in northern Europe and dating from the ninth to the 19th centuries. Average height declined slightly during the 12th through 16th centuries, and hit an all-time low during the 17th and 18th centuries. "Height is an indicator of overall health and economic well-being, and learning...Fossils reveal direct link between global warming and genetic diversity in wildlife
...of bones and represents a continuous fossil record dating back 3,000 years. This timescale allows us to really investigate microevolution in a natural environment, the way you'd investigate it in a laboratory with something that has a much quicker generational timeline, such as bacteria or fruit flies." ...Punching the timeclock of life
...ears to publish, combing through scientific papers dating back to the 1870s to learn about the genesis of the theory of natural selection and speaking with prominent evolutionary biologists about his ideas. "I wanted them to tell me, 'No, you're wrong and here's why.' I never got that," he said. ...New Arizona State center brings science to policy on issues of water resources and urban growth
...s of the Phoenix area have dealt with water issues dating back to the ancient native Hohokam, who first settled in the Valley around 500 A.D. and built an enormous irrigation system to water their crops. Today, Phoenix is a fast growing urban complex that provides a uniquely tailored area in which to study ...New study indicates arsenic could be suitable as first-line treatment in type of leukaemia
...have been used in medicine for thousands of years, dating back to the ancient Chinese and the Romans, but it was the Chinese in the 1980s that first tried it in leukaemia after finding it was the active ingredient in some traditional Chinese preparations. The drug works by causing changes in cancer cells, i...