Climate change isolates Rocky Mountain butterflies
...a threatened species, but they and smaller species native to Rocky Mountain meadows, including some insects and rodents, will suffer "several consequences" if forests continue to expand unchecked. "Often forest management practice is led by the needs of larger species, such as mountain sheep, elk and gri...MIT creates 3-D images of living cell
...activities of living cells can be studied in their native state. Using the new technique, his team has created three-dimensional images of cervical cancer cells, showing internal cell structures. They've also imaged C. elegans, a small worm, as well as several other cell types. The researchers based th...Genetic analysis finds greater threat in frog-killing fungus
...pollution from agricultural chemicals - could make native frog populations susceptible to a pathogen with which they've previously co-existed. According to the study, neither epidemic spread nor endemism alone explains the decline of these frogs. "We found sites dominated by a single fungal genotype, wh...Native fruits bear sweet antioxidants
Twelve native Australian fruits that are exceptional sources of ... Konczak. And, by encouraging growers to cultivate native fruits, we are also contributing to the growing need to ensure agriculture becomes more sustainable....Measuring nectar from eucalypts
...ns about the importance of the nectar resource for native fauna and honeybees and that of beekeepers about current forest management. ...Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
...logically feasible in the future. Kori bustards, native to eastern and southern Africa, are the heaviest birds capable of flight, with males reaching up to 40 pounds; still, they are primarily ground-dwelling birds, inhabiting grasslands and feeding on an omnivorous diet. Wild populations are threatened b...Learning a second language -- Is it all in your head?
...rtex (where HG resides). The participants all were native American English speakers with no knowledge of tone languages. In tone languages (spoken by half the worlds population), the meaning of a word can change when delivered in a different pitch tone. In Mandarin, for example, the word mi in a level tone ...The new wildlife refuge -- Golf courses?
... but they can include suitable habitat for species native to the area. Golf courses could act as nature sanctuaries if managed properly. Semlitsch, along with Michelle Boone, an assistant professor at Miami University in Ohio and former MU graduate student, and J. Russell Bodie, senior scientist for Audu...Loss of hemlocks will affect water dynamics in southern Appalachian forests
...y nonnative insect) within the next 10 years. As a native evergreen capable of maintaining year-round transp...quatic organisms in mountain streams. No other native evergreen in the southern Appalachians will likely fill the ecohydrological role of eastern hemlock ...First all-African produced genetically engineered maize is resistant to maize streak virus
...ed to Africa in the 1500s and eventually displaced native food crops such as sorghum and millet. Maize streak virus, an endemic pathogen of native African grasses, was then carried to maize plants by viruliferous leafhoppers. African scientists ...Biocontrol of invasive water hyacinth contributes to socioeconomic and health improvements in Africa
...of the most invasive water weeds in the world. A native of South America, it was spread throughout the tropics and subtropics in the last century, mostly by humans. While the plant can potentially be used for sewage treatment and biofuel production, it can also cause severe environmental and socioeconom...Engineered blood vessels function like native tissue
...e-engineered vessels (TEVs) performed similarly to native tissue in critical ways, including their morphology, their expression of several smooth muscle cell proteins, the ability to proliferate and the ability to contract in response to vasoconstrictors, one of the most important properties of blood vessel...Weeds survive the wild better than natives
...ith foliage eating insects preferring the taste of native plants, according to a study by Queensland Univers...as been investigating the effect weeds can have on native plants especially when foliage eating insects, also known as herbivores, are involved. "While many...JCI Table of Contents -- July 2, 2007
... question: In which tissue would expression of the native insulin sequence restore anti-insulin autoimmunity...islet cells, but not bone marrow cells, expressing native B16:Y insulin (tyrosine at position 16 of insulin B chain) restored anti-insulin autoimmunity in mic...ORNL-led team wins DOE bioenergy center
...rchers helped sequence last yearand switchgrass, a native grass that can be easily grown in most of the U.S. Such modification would decrease or eliminate the need for costly chemical pretreatments now required. Consolidated bioprocessing, which involves the use of a single microorganism or group of orga...UGA scientists receive $20M in federal bioenergy initiative
...with a focus on the poplar tree and switchgrass, a native grass that can be easily grown in most of the U.S., including Georgia. Such modification would decrease or eliminate the need for costly chemical pretreatments now required. Consolidated bioprocessing, which involves the use of a single microorg...Prey not hard-wired to fear predators
...d public agencies by restoring ecosystems to bring native carnivores back to where they once thrived. said D...different prey situations: Locations were native predators still exist. (Eastern Siberia, Boreal Canada and Alaska) Locations where the top pre...Plants recognize their siblings, biologists discover
... (Cakile edentula), a member of the mustard family native to beaches throughout North America, including the Great Lakes. So should gardeners arrange their plants like they would plan the seating at a dinner party" Gardeners have known for a long time that some pairs of species get along better than ot...Stray penguins probably reached northern waters by fishing boat
...t uncommon for people in the north to mistake some native birds, particularly murres and auks, for penguins. Those birds occupy the same ecological niche in the Northern Hemisphere that penguins do in the south. But in their paper in the June edition of the Wilson Journal of Ornithology, the researchers ...UCR biologist receives $1.75 million grant to study plant-threatening bacteria
...e there yet more unknown forms of Xylella in the native plants of Central and South America" Nunney asked. Citrus is not native to South America, so Xylella must have been living in something else before citrus was introduced,...