Mild aerobic exercise no protection from osteoporosis
...d to define methods that will reduce obesity while preserving or enhancing bone health." Stewart and colleagues studied 84 adults (38 men and 46 women) ages 55 to 75 with higher than normal blood pressure but who were otherwise healthy. They were not exercising regularly, defined as moderate- or high-intensi...Untangling the web of tropical biodiversity
...n 1910, the museum is dedicated to maintaining and preserving the world's most extensive collection of natural history specimens and human artifacts. It also fosters critical scientific research as well as educational programs and exhibitions that present the work of its scientists and curators to the public. ...Rolex announces winners of international awards
...ist Lindy Rodwell has devoted the past 11 years to preserving cranes, especially the wattled crane that is critically endangered in her native South Africa. Following the birds' distribution across Africa, Rodwell is expanding her conservation network, aiming to combine the efforts of volunteers and experts in ...Duke ecologist's book offers hopeful view of Earth's plight
...act on Earth, he also emphasizes the importance of preserving the natural world -- citing, for example, the fact that more than 40 percent of all pharmaceuticals are derived from "nature's medicine cabinet" (plants, animals and microbes). Even as he uses stark facts to build a case for immediate action to reme...University of California, Riverside study dates our ancestors
...rs ago), both in terms of quality of detail and in preserving traces made close to this sediment-water interface. Trace fossils can shed light on an organism's behavioral activity. "The timing of the appearance of bilaterian animals, while clearly by 555 million years ago, is the subject of some debate," said ...Breeding programs should incorporate mate choice
...t breeding programs for small populations focus on preserving genetic variation by minimizing inbreeding. Wedeki... as a population grows, managers should also start preserving genetic quality by incorporating mate choice into the breeding program. However, increasing genetic ......ornelia Beck, R.N., Ph.D., a leading researcher on preserving independence in old age, directs the federally-funded Alzheimer's Disease Center at UAMS; Dr. Griffin is co-director of the center, along with Victor W. Henderson, M.D., M.S., who leads its clinical program. Charlotte Peterson, Ph.D., leads a researc...USGS to map richness of aquatic life in the Great Lakes
...ment,forestry, and urban expansion. "Restoring and preserving the richness of species--the biodiversity--of the lands and waters ofthe region is an important activity because biodiversity in the Great Lakes is strongly tied to theeconomy, health, and quality of life of the surrounding human population through i...Field Museum's Parker/Gentry Award goes to Peruvian conservationists
...n biologists who have made a significant impact on preserving the world's natural heritage, and whose actions and approach can serve as a model to others. The Founders' Council of The Field Museum presents the award, this year at a reception Sept. 5. Cordillera Azul On May 22, 2001, Peru's president, Valent......ists to curious kids - interested in restoring and preserving some of Chicago's best natural treasures. It will ... implement programs and strategies for protecting, preserving and enhancing the natural resources of the Calumet region." McCarter, Jimenez and other dignitaries ...Mice become first animals to produce other species' sperm
...pecies. The result has important implications for preserving the germ lines of critically endangered species as well as prized livestock. The study, in which male mice produced functional gametes first from other mice and then from pigs and goats, is reported in the Aug. 15 issue of the journal Nature. "This i...Investing in environment pays off at 100-1, says paper published in Science this week
...ronment. An annual investment of $45 billion in preserving large tracts of wild nature, say the paper's autho...s Costanza, "we can easily pay the annual costs of preserving the global reserve network."...Doubt cast on theory of tropical forest diversity
...n temperate ones. And, their findings suggest that preserving tropical diversity might also depend on preserving the natural enemies of trees. In an article in the June 13, 2002, Nature, ecologists including Prof...Study suggests global extinction crisis more serious than previously thought
...ulations lack either the interest or capability of preserving them, the species are in greater jeopardy than if populations exist over a broader range, they explained. According to the authors, the loss of wildlife populations also implies a reduction in the crucial ecosystem goods and services that these popul...New insect order discovered for first time since 1915
...re places on Earth that act as protective pockets, preserving tiny glimpses of what life was like millions of years ago. The new insect order may have lived in Brandbergs unique habitat for millions of years with no interaction with other species. Brandberg is a 120 million year old massif, isolated from other ...Smithsonian calls for renewed international cooperation in sharing biodiversity information
...n 1910, the museum is dedicated to maintaining and preserving the most extensive collection of natural history specimens and human artifacts in the world. The museum also fosters critical scientific research as well as educational programs and exhibitions that present the work of its scientists and curators t...AAAS Chairman Peter Raven responds, what is destroying earth's rich biological diversity?
...ent botanist, author and enthusiastic advocate for preserving biodiversity, Raven has been director of the Missouri Botanical Garden since 1971. Responding to Raven will be Dr. Larry Rasmussen, a Lutheran Theologian and Reinhold Niebuhr Professor of Social Ethics at the Union Theological Seminary in New York. ...Traditional floodplain forest restoration may decrease bird diversity
...ty of flora and fauna in the floodplain may relyon preserving and restoring natural flood cycles to the river system,"says Gabbe....Epstein-Barr virus mechanism for long-term survival discovered
...nd the human chromosome, these proteins are key to preserving genome integrity and, therefore, survival. When the researchers inhibited the telomeric protein complexes associated with EBV, the latent virus genome became unstable and was eventually lost from the cell. A report on the research appears in the Marc...Proliferation of Argentine ants in California linked to decline in coastal horned lizards
... new suburban or urban developments may succeed in preserving natural vegetation, but if they don't take care to avoid fragmenting the landscape, the natural fauna of the area won't be preserved. "Even though we're setting aside open spaces as we develop in southern California, that open space may not have ...