Food tastes stronger when you're hungry
...ivity of the taste receptors on your tongue, or by changing the way you perceive the same taste stimuli, the author suggests. Professor Zverev from the University of Malawi persuaded 16 male undergraduates to forgo breakfast, having eaten a set dinner at 6.30 the previous evening. He then asked the students t...Experimental Biology 2004 - Translating the Genome
...t of a panel discussion addressing how a radically changing environment will impact those scientists receiving NIH funding in coming years; how the NIH's Roadmap initiatives will complement or compete with investigator-initiated research; and how various institutes and centers will implement and plan for futu...A shrinking sink? Carbon fertilization may be flimsy weapon against warming
...bon dioxide, raising questions as to the impact of changing ocean acidity, or "pH" on marine life. Experiments to examine the impact of elevated carbon dioxide levels on the land are commonplace. Brewer reported on the first small-scale ocean experiments, in which his research team added carbon dioxide to th...National ocean commissioners & scientists call for overhaul of ocean policies & management
...r ocean ecosystems, except as a commodity. This is changing and changing rapidly. We now understand how we have been altering the ocean on a global scale, how our own well-b...Breakthroughs in acoustic tracking shine new light on the lives of fish
...and allow for resilience of populations under ever changing conditions. Pacific salmon, a historical staple in the Pacific Northwest, are a prime example. Scientist know that these fish migrate many thousands of miles in their lifetimes, but until recently had little detailed understanding of how the thousa...Molecular mechanisms that trigger flowering in spring
... that winter is over, but how do plants follow the changing seasons, and use this information to trigger the formation of flowers? That plants contain internal clocks enabling them to measure day length was proposed 80 years ago and was initially controversial, but now the mechanisms by which plants measure t...Unlocking the genetics and evolution of the dog could prove beneficial for humans
...ne aspect of a dog's shape; while at the same time changing a different aspect. Termed "trade-off mechanisms," Lark found that one locus could, for example, elongate the snout while simultaneously decreasing the thickness of the limb bones "These are quite different aspects of the dog, yet one can find a func...Out-of-balance ecosystems play role in demise of amphibian populations
...Ribeiroia or echinostomes, we need to know whether changing environmental conditions are widening the window of susceptibility." It may be that tadpoles are developing more slowly so that they are at the most susceptible stages for longer periods of time than in the past, she said. "Or are conditions bringing...Money talks: Concern for biodiversity pressed on boardrooms by new breed of fund managers
...and gas, mining and minerals), part of a radically changing global landscape confronting corporations especially those in need of access to new territories and resources. The new statistics showing the strength of fund managers pursuing socially responsible investment (SRI) represent one of several signals i......se exploitation by industrial fisheries is rapidly changing oceanic ecosystems by drastically reducing populations of many marine species. For most oceanic species we lack a historical perspective. In an important article to shortly appear in Ecology Letters , Baum and Myers demonstrate that the initial abu...MIT student dances with robots
...constant rhythm, varying their steps to the song's changing tempo. Slight pushes and pulls of the dancers' hands allow seamless transitions between swing-outs, tuck turns and Texas Tommies. You might call this swing dancing. Or you might call it a highly evolved system of communication and control via haptic ...Scientists report first sequencing of environmental genome
...gene expression and protein production change with changing conditions in the microbial community. For example, as the acidity or temperature changes, how do the organisms react? How do they change their carbon or nitrogen fixation, or their scavenging of iron from the acidic groundwater? "The next step in th...Genomic changes reveal evolution of SARS virus
...ons, the researchers found 299 smaller variations, changing just a single piece of the virus's genetic code. Because SARS, like HIV, uses RNA instead of DNA to store its genetic information, it has a high mutation rate. The researchers discovered a series of genetic motifs, like molecular fingerprints, tha...Earliest evidence of humans affecting aquatic ecology in Canada, United States
... refuse. "It's as if the pond had been fertilized, changing the type of algae that could grow there," he says. The researchers also believe the moss growth increased considerably as a result of human interference and in fact may have acted as a "positive feedback system" encouraging them to stay in the area,...Spruce bark beetle outbreaks examined at Alaska Symposium
...fe habitat, and stand management; fire ecology and changing fuels; and the social and economic impacts of the epidemic. Keynote presentations will be given by Dr. Thomas Quigley, Director of the Forest Service's Pacific Northwest Research Station, and Dr.Glen Juday, a research climatologist at the University ...Simple sugars make cell walls like steel
...ing nutritional fibers in plant cell walls without changing other plant structural factors." Before these go...is process prevents the thickness of the wall from changing even as the cell increases 100 or 1,000 times its length." The galactose needed to ensure wall stre...Jan. 23-26 conference in Oakland, Calif., to discuss aneuploid theory of cancer
...cked cell growth typical of cancer. The effects of changing the normal number of chromosomes, which contain thousands of genes, are far more dramatic than mutation of a few genes, Duesberg says. In the past few decades, scientists have almost unanimously accepted a central dogma to explain cancer: that a mere...Understanding urinary tract infections
...reen protein. The movies show the bacteria rapidly changing themselves and their interactions with each other to collectively hijack bladder cells and use them as safe havens for replication. "It just boggles the mind what these bacteria can do, in terms of sensing and responding to their environment and each...Scientists at Scripps Research describe new strategy for the synthesis of glycoproteins
...ts on spoken words-they change the meaning without changing the spelling. If the correct sugars are not there, the biology is altered. Some of the most intriguing problems in modern biology and medicine require scientists and doctors to synthesize proteins that have been modified with particular sugars att...Climate change may threaten more than one million species with extinction
...pecies' ranges are expected to move in response to changing temperatures and climate. It represents the largest collaboration of scientists to ever study this problem. "This study makes it clear that climate change is the most significant new threat for extinctions this century," said co-author Lee Hannah, Cl...