Male groundhogs hibernate less to visit the ladies
...observations indicate that males immerge later and emerge earlier than females," says Dr. Stam. M. Zervanos,...hey stay in their burrows, but in the spring, they emerge and move around above ground. They then return to the den for some more deep sleeping episodes befo...Study employs backyard scientists to document global warming impact
...e data sets that cover long periods, so trends can emerge from all of the noise." The challenge: The average lifespan of a research grant is about three years. Few researchers focused on climate change 10 or 20 years ago, so many of the most convincing papers documenting long-term responses of wild plants ...Science's top ten: Discovery of genes' 'control switches' named top advance of 2002
...s cited by AAAS as the key science-policy issue to emerge in 2002. For additional information on the AAAS list, see www.eurekalert.org , or contact the AAAS Office of Public Programs at 202-326-6440, or scipak@aaas.org...'Scientific balancing act' dominates AAAS top ten list of science policy stories for 2002
... as the key science and technology policy issue to emerge in 2002. Human cloning, stem cell science and protecting the planet's natural resources also appear on the 2002 AAAS Top Ten Science Policy List. Prepared by experts at the American Association for the Advancement of Science, publisher of the journ...'Binary' enzyme created by TSRI scientists demonstrates Darwinian evolution at its simplest
...ne, in a general way, how life-like attributes can emerge within complex chemical systems. The goal is not necessarily to answer how life did emerge in our early, chemical world, but to discover how life does emerge in any chemical world--to ask not...It may take a mouse to understand the behavior of 'jumping genes'
...Kazazian. "Retrotransposons can cause new genes to emerge that may benefit an organism or they can kill by knocking out important genes. Overall, however, it seems that they are neutral and add to the apparent sloppiness of the genome." For some time, researchers have been trying to understand how retrotra...Non-native earthworms may be wiping out rare plants
... leaves briefly during the summer (and often don't emerge at all), they are thought to get some of their energy from fungi in the forest floor instead of by photosynthesizing. To see if non-native earthworms are wiping out goblin ferns by eating the forest floor, Gundale studied 28 sites where populations ...Outbreak of native oak borers threatens Ozark forests
... cambium and the heartwood of the tree. The adults emerge from the oval holes they chew in the bark in odd-n..." said Guldin. "We will learn more when the adults emerge this coming summer. It is very troubling that the oaks killed by borers do not produce sprouts that ...Warming study indicates water problems in the West
...he effects of global warming already have begun to emerge in earlier melting of mountain snow packs and spring flooding dates. Scientific studies show that these, and other expected climate changes, could have a devastating impact on water resources in some parts of the West over the next half century. For...One of the most profound ideas to emerge in modern science is Charles Darwin's concept that all of life, from the smallest microorganism to the largest vertebrate, is connected through genetic relatedness in a vast genealogy. This "Tree of Life" summarizes all we know about biological dive...Scientists find insects can alter plant chemistry to help them find mates
...wasps live barely five days in the field, but they emerge continually over a 30-day period. They spend nine...conspicuously inside of the plants. Adult females emerge from dead stems of the plants, mate and lay eggs in live plant stems, forming galls that protect the...Imaging study provides new information on how the brain processes sounds of different tones
...ak or absent in the inferior colliculus, begins to emerge in the medial geniculate body, and is robust in auditory cortex....When it comes to sperm competition, size can matterits the female who holds the aces
...organs where sperm from different males compete to emerge and race for the egg. Pitnick and Miller used populations of another species of fruit fly called Drosophila melanogaster to discover the nature of the relationship between sperm size, the size of female sperm-storage organs and successful fertilizati...OXiGENE, foundation fighting blindness sign research agreement for phase I/II clinical trial
...officer, said one of themost important findings to emerge from the vision-related researchinto CA4P is the drug's pinpoint targeting. "Researchers have noted inanimal studies CA4P's uncommon ability to enable development of normalblood vessels in the retina while inhibiting the growth of aberrantvasculature......with nuclei). Metazoa, the animal kingdom, did not emerge until 0.7 to 1.5 billion year ago, when temperatures apparently dropped below their upper limit. "I have argued that primitive organisms emerged once their upper temperature limit was reached as the relatively high climatic temperatures of the Arche...Elderly patients denied best treatment for fear of side effects
...ents over the age of 70 years, so the results that emerge are not fully representative of the age range of patients we have to treat." There are a number of factors that have to be taken into account when planning a treatment strategy for older people. They may be more vulnerable to the toxic side effect...Researchers elucidate machinery of major anti-cancer target
... molecule to newly built protein enzymes when they emerge from the cell's production machinery. This chemical stitchery adds a molecular "flag" to a new enzyme that signals the cell to send it off on its metabolic mission in the cell. Ten years ago, Casey and other researchers discovered that among the enz...Mosquito genome sequence--Published in the journal Science
...ide targets," he said. Insecticide resistance can emerge when the expression of detoxifying genes increases, or through mutations in genes that encode the protein targeted by insecticides. The genome offers a catalog of both these kinds of genes, as well as variations in single nucleotides, known as "SNPs,...UCLA science profs awarded $1 million Howard Hughes Medical Institute grants
... emerging new genetic technologies. "Students will emerge from the course with a conceptual background in what genes are, how they work, how genes are manipulated, and how advances in gene technology are transforming society," said Goldberg, who is also co-director of the Seed Institute. Undergraduates in ...Convergent technologies: Is your company ready for the future?
...le. It is very likely that these technologies will emerge in the next 20 years. Some convergent technologies are already hitting the marketplace. Among these are optical microelectromechanical systems (MEMS), the subject of a multi-client report soon available from Technical Insights. However, the key quest...