Climate change plus human pressure caused large mammal extinctions in late Pleistocene
...s taking over former large-animal habitats. "Human activities today, combined with climate change, probably are ...supial, the 2 1/2-ton Diprotodon. Elsewhere, human activities combined to a greater or lesser degree with climate change to lead to extinctions. In Europe and par...EMBO Gold Medal 2004 goes to Spanish scientist
...ion of mammalian telomeric heterochromatin and the activities that regulate it. Other recent groundbreaking contributions to cancer research include generation of the first telomerase transgenic mice showing them to be tumour-prone; demonstration of interplay between the status of the retinoblastoma family of ...Study: Emission of smog ingredients from trees is increasing rapidly
...They also underscore the pervasive effect of human activities on the environment, because something as seemingly benign as planting forests can have a substantial impact. "You can't identify any of these processes as 'natural,'" said Purves. "The idea of natural versus human-caused is disappearing. Ten years f...USAID, Conservation International & Starbucks launch Conservation Coffee Alliance in Central America
...hing the Alliance. "USAID began its environmental activities in Mexico in 1989 and was the first bilateral donor to support the Mexican Government and conservation community's efforts towards sustainable development," said Adolfo Franco, administrator for Latin America, U.S. Agency for International Developmen...Agronomy, crop, and soil science societies to meet Oct. 31 to Nov. 4 in Seattle
...-cssa-sssa.org/anmeet/search/ The Annual Meetings activities begin Sunday, Oct. 31 with the popular Plenary Session at 7pm featuring Mark Drabenstott, Center for the Study of Rural America, Federal Reserve Bank, who will present, "Trends for Agriculture and Rural America." On Tuesday, Nov. 2, Wendell Berry, fa...Health of world's sea lions the focus of Wakefield Symposium
... the abundance of sea lions are related to fishing activities through food dependencies or more directly through control or conservation measures. A better understanding of the biology of sea lions is urgently needed. This symposium will significantly contribute to understanding why sea lion populations fluctu...US investment firm gives away Rhode Island-sized lands in Chile
...les. During the 1980s and 1990s, WCS expanded its activities to include other marine sites, and recently helped...an wildlife parks (including the Bronx Zoo). These activities change attitudes toward nature and help people imagine wildlife and humans living together in harmon...Gene expression in liver tumors and patient prognosis
...nclude. "For example, small molecules that inhibit activities of some transcription factors are already available and may provide opportunities to alter the course of HCC progression in both subclass A and B." An accompanying editorial by Joseph Locker, M.D. of Albert Einstein College of Medicine in......appear less coordinated in their structure-forming activities and form fewer and looser connections with other cells. These tissue-level differences are reflected at the level of the individual cell as well. Under the microscope, mesenchymal cells are amorphous and lack the distinct apical-basal polarity that c...ConocoPhillips & Conservation International launch 'Biodiversity Action Plan' in Venezuela
...on biodiversity, ecosystems and the socio-economic activities in the Gulf of Paria is generated, made publicly a...hat conserves biological resources while promoting activities that contributes to sustainable development of Gulf of Paria communities. "ConocoPhillips Venezuel...Researchers report new gene test for isolated cleft lip and palate
...would somehow interfere with the normal biological activities of the IRF6 protein during tissue and organ development. To test their hypothesis, the researchers focused their attention on a pool of 1,968 families, in Europe, South America, and Asia, with a history of isolated clefts. According to Murray, the r...Case for IBD combination therapy comes from research at Baylor, MIT and Hebrew University
... they reasoned. So they investigated the probiotic activities of TNF- inhibitory Lactobacillus clones in a pathogenic bacterium-induced murine colitis model. They selected L. reuteri and L. paracasei clones from the test tube for their anti-inflammatory activity. Interleukin-10 deficient mice (IL-10) were pre-...Snakehead in your inbox? Welcome to the nonindigenous Aquatic Species Alert System
... nonindigenous introductions are a result of human activities since the European colonization of North America. This includes not only species that arrived from outside of North America, which are commonly referred to as exotics, but also species native to North America that have been introduced to drainages ou...Breaking new ground in germ cell guidance
...ce molecules, Wunen and Wunen2, and their discrete activities in germ and somatic cells. The study began with a screen for mutant flies, which uncovered a phenotype in which the flies' primordial germ cells, called "pole cells," showed defects during their migration: the pole cells died in large numbers at a st...Viral suspect for amphibian decline traced to human spread through bait
...nimals -- and is additional evidence for how human activities such as farming and trade in live animals or biological products are affecting ecologies globally. "Amphibians are clearly vulnerable to environmental change, but the fact that they are being so broadly effected by emerging diseases is telling us th...Do genes respond to global warming?
Scientists continue to argue the extent that human activities drive global warming, but few would argue that it exists. The International Panel on Climate Change predicts that greenhouse gases will increase global temperatures by 3.6 degrees F by 2100--a rise unprecedented over the past 10,000 years. While the ......erstand how BMP4 and other morphogenetic molecular activities are regulated to adapt to environmental changes. Chuong's laboratory has taken a global approach to the study of how organs of different structures, sizes and shapes are produced in evolution and development. Their earlier work on the 120-million-yea...Computer models expose humans as main cause of caribou decline
...om current conditions. The models show that human activities stood out overwhelmingly as the variable most responsible for the woodland caribou's decline in northern Alberta. The models also showed that woodland caribou could coexist with uncontrolled wolf populations in northern Alberta, but if human developm...NHGRI launches Centers for Excellence in Ethical, Legal, and Social Implications Research
...to the many ways in which their research and other activities will serve to shape discussions and inform future policy decisions related to genetics and genomics." "Providing funding assistance, in concert with the NHGRI, to two of these centers (Duke and Stanford) reflects the importance that we continue to p...Modest climate change could lead to substantially more and larger fires
...ifornia where fires are almost all caused by human activities and the combination of high temperatures and dry air associated with the Santa Ana winds, not temperature by itself, McKenzie says. At the other extreme are Montana, Wyoming and New Mexico. Montana is the most sensitive, with the models predicting a...