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Smithsonian scientists find evidence that could rewrite Hawaii's botanical history
Scientists at the Smithsonian Institution have discovered data that suggests one of Hawaii's most dominant plants, Metrosideros, has been a resident of the islands far longer than previously believed. view more (2008-04-16)
Ecologists say metabolism accounts for why natural selection favors only some species
Why are some species of plants and animals favored by natural selection? And why does natural selection not favor other species similarly? view more (2008-11-04)
Caribbean frog populations started with single, ancient voyage on South American raft
Nearly all of the 162 land-breeding frog species on Caribbean islands, including the coqui frogs of Puerto Rico, originated from a single frog species that arrived on a sea voyage from South America. view more (2007-06-11)
New species from old data - By searching genome sequences of several Drosophila species researchers have identified new bacterial species that live inside fruit flies.
Researchers have discovered three previously unknown species of a bacterium by scanning a publicly available data bank, reveals a study published today in the journal Genome Biology. The finding highlights the value of making unanalysed data from large-scale genome sequencing projects openly available online. view more (2005-02-18)
Enzyme may be a key to Alzheimer's-related cell death
A Purdue University researcher has discovered that the amount of an enzyme present in neurons can affect the mechanism thought to cause cell death in Alzheimer's disease patients and may have applications for other diseases such as stroke and heart attack. view more (2009-10-08)
A changing climate for protected areas
On April 6, the Intergovernmental Panel on Climate Change (IPCC) will release a report entitled Climate Change 2007: Impacts, Adaptation, and Vulnerability that focuses on how climate change is affecting the planet. view more (2007-04-03)
In spiders, size matters: Small males are more often meals
Female spiders are voracious predators and consume a wide range of prey, which sometimes includes their mates. view more (2008-09-11)
Researcher turns brown algae phylogeny upside down
According to fellow phycologists, algae expert Stefan Draisma from the Leiden University has turned brown algae phylogeny completely upside down. His research shows that few of the currently assumed relationships between the orders are correct. Furthermore, it transpires that some simple species arose not earlier but later than more complex... view more... (2002-06-24)
Ecosystems with many plant species produce more and survive threats better
Ecosystems containing many different plant species are not only more productive, they are better able to withstand and recover from climate extremes, pests and disease over long periods, according to a new study. view more (2006-06-01)
New species of diatom discovered
In the latest issue of Diatom Research, the scientists describe a new species of diatom, Hannaea superiorensis, found primarily in Lake Superior view more (2005-12-05)
A bug's life... in a bubble
Hundreds of insect species live mainly underwater, but how do they breathe? University of Alberta researcher Morris Flynn did a study to find out how these species are able to remain underwater without drowning. view more (2008-08-11)
Biologist discovers pink-winged moth in Chiracahua Mountains
University of Arizona biologist Bruce Walsh has identified a new species of moth in southern Arizona. Normally, this is not a big deal. view more (2009-06-10)
An unexpected outcome of atmospheric CO2 enrichment
Unseen belowground interactions impact the composition of natural plant communities. Mycorrhizae, symbiotic associations between soil fungi and plant roots, help plants acquire soil nutrients but also drain substantial carbon from plants. Whether mycorrhizae help or hinder plant growth depends upon the balance between nutrient benefits and carbon... view more... (2003-05-22)
Northwestern biologists demote Southeast Asia's 'forest ox'
It was one of the most famous discoveries of the 20th century. Shrouded in mystery since its recognition as a new species in 1937, the kouprey - an ox with dramatic, curving horns - has been an icon of Southeast Asian conservation. Feared extinct, it's been the object of perilous expeditions to the region's jungles by adventurers, scientists and... view more... (2006-09-18)
British butterfly reveals role of habitat for species responding to climate change
Most wild species are expected to colonise northwards as the climate warms, but how are they going to get there when so many landscapes are covered in wheat fields and other crops? view more (2009-02-25)
Insect population growth likely accelerated by warmer climate
Insects have proven to be highly adaptable organisms, able through evolution to cope with a variety of environmental changes, including relatively recent changes in the world's climate. But like something out of a scary Halloween tale, new University of Washington research suggests insects' ability to adapt to warmer temperatures carries an... view more... (2006-10-31)
Polar pecking order and biodiversity
New research into how biodiversity is generated and maintained in the seas surrounding hostile Polar Regions is reported in this month`s Proceedings of the Royal Society (Biological Sciences). British Antarctic Survey biologist David Barnes studied `battles` between rock-dwelling marine organisms in shallow seas from the Poles to tropics to come... view more... (2002-10-07)
Why are some groups of animals so diverse?
A new study of finger-sized Australian lizards sheds light on one of the most striking yet largely unexplained patterns in nature: why is it that some groups of animals have evolved into hundreds, even thousands of species, while other groups include only a few? view more (2007-09-20)
National assessment done on potential invasive snail and slug pests in US
A collaborative team led by a University of Hawai'i at Manoa researcher has published the first-ever assessment of snail and slug species that are of potential threat to the nation's agriculture industry and the environment, should they ever be introduced in the U.S. view more (2009-07-31)
Museum-fueled global study shows you can't judge biodiversity by its bird
The canary in the coal mine, the supposed harbinger of threat for all those around it, isn't as true as it seemed for biodiversity conservation, according to a sweeping study in which a Michigan State University ornithologist participated. view more (2006-11-02)
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