Applied Calculus for Business, Economics, Life Sciences and Social Sciences: Student Solutions Manual
Gene Expression (Free subscription) | yesterday
Pleistocene Megafaunal Collapse, Novel Plant Communities, and Enhanced Fire Regimes in North America : Although the North American megafaunal extinctions and the formation of novel plant communities are well-known features of the last deglaciation, the causal relationships between these phenomena are unclear. Using the dung fungus Sporormiella and other paleoecological proxies from Appleman Lake,...
New York Times (Free subscription) | yesterday
Evidence of Asian carp, a fish that some fear could destroy the ecosystem of Lake Michigan, has been found beyond a barrier intended to keep the fish out.
Seattle Post-Intelligencer (Free subscription) | yesterday
TRAVERSE CITY, Mich. -- Asian carp may have breached an electronic barrier designed to prevent the giant invaders from upsetting the ecosystem in the Great Lakes and jeopardizing a $7 billion sport fishery, officials said Friday.
Green Options (Free subscription) | yesterday
Bighead carp are one of two non-native species of Asian carp causing widespread concern among Great Lakes advocates. The other is silver carp. Great Lakes advocates are calling it a “ conservation emergency ” now that non-native Asian carp have been detected within seven miles of Lake Michigan. They want an immediate closure of locks and gateways leading to the lake in a literally”last-ditch”...
Red Orbit (Free subscription) | yesterday
A team led by Penn State's Ross Hardison, T. Ming Chu Professor of Biochemistry and Molecular Biology, has taken a large step toward unraveling how regulatory proteins control the production of gene products during development and growth. Working with collaborators including Drs.
Evolution List (Free subscription) | yesterday
Many people have recently heard about how creationist and televangelist Ray Comfort has been planning to distribute 170,000 copies of Charles Darwin's Origin of Species at the 100 top colleges and universities in America . Well, the appointed day (19 November) for Ray's distribution of the Origin came and went, but apparently no creationists showed up at Cornell to pass out Ray's "abridged"...
Treehugger (Free subscription) | yesterday
From the news that scientists have created a bacteria that lights up around landmines to the development of a rot-proof apple--that stays fresh for 4 months--a lot happened this week in green. A new study called The Economics of Ecosystems and Biodiversity (TEEB) shows that putting money into protecting wetlands, coral reefs, and forests is a better investment than gold, Lloyd visited GreenBuild 2009...
A DC Birding Blog (Free subscription) | yesterday
Emperor Penguins / Photo by lin padgham Bird and birding news A study of the fossil record argues that there were six genera and nine species of moas (much lower than other estimates) and that the North and South Islands of New Zealand have been geographically isolated for 20-30 million years. The Puerto Rican Nightjar's range is much than previously estimated ; in all this species has 1,400-2,000...
Red Orbit (Free subscription) | yesterday
Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals — including such iconic creatures as mammoths, mastodons, camels, horses, ground sloths and giant beavers — began their precipitous slide to extinction.And when their populations crashed, emptying a land whose diversity of large animals equaled or surpassed Africa's wildlife-rich Serengeti...
Physorg (Free subscription) | yesterday
(PhysOrg.com) -- Will advances in neuroscience make the justice system more accurate and unbiased? Or could brain-based testing wrongly condemn some and trample the civil liberties of others? The new field of neurolaw is cross-examining for answers.
Ars Technica (Free subscription) | yesterday
The Younger Dryas period was an era of extinctions and ecosystem change that occurred just prior to the end of the last ice age. It's also a hot area of research right now, with some researchers suggesting that a comet or meteor struck the earth over North America, killing off megafauna like mammoths and mastodons. That prompted a response that suggested the evidence for an impact might just be a...
Weather & Earth Science News (Free subscription) | yesterday
All news reports concerning flooding in Britain and Ireland are in the entry below Mini tornadoes spotted on Humber As the Australian heatwave continues, temperature records fall and fire burn Mysteriously warm times in Antarctica - were previous interglacials 6c warmer there than they are today? SOFIA seeks secrets of planetary birth Army Corp of Engineers blamed for for Hurricane Katrine levee breaches...
Genetic Archaeology News (Free subscription) | 11/20/2009
Researchers from Arizona State University have discovered that several species of microbes, at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building to lasso shifting soil substrates.
Science Daily (Free subscription) | 11/20/2009
A new study suggests that naturally occurring bacteria on the skin of salamanders could help protect other amphibians, including some species of endangered frogs, from a lethal skin disease.
Science Daily (Free subscription) | 11/20/2009
Resurgence of thalidomide use in Africa and South America raises the urgent need to isolate the negative side effects by identifying the drug's "common mechanism."
The 2 latest articles published by users on Life Sciences :
sorapedia | 10/07/2009
Tamil Nadu-born Venkatraman Ramakrishnan, a senior scientist at the MRC Laborartory of Molecular Biology at Cambridge, has been awarded the Nobel Prize in Chemistry for 2009 along with two others, the Nobel Committee announced today.
petercasier | 09/17/2008
Today, the Vatican said the theory of evolution is compatible with the Bible but planned no posthumous apology to Charles Darwin for the cold reception they gave him 150 years ago.
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